[4469] | 1 | //auth.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include "roard.h" |
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| 27 | |
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| 28 | #define _NONE ROAR_AUTH_T_AUTO |
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| 29 | |
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| 30 | int auth_init (void) { |
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| 31 | int i; |
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| 32 | |
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| 33 | memset(g_auth_keyring, 0, sizeof(g_auth_keyring)); |
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| 34 | |
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| 35 | for (i = 0; i < AUTH_KEYRING_LEN; i++) { |
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| 36 | g_auth_keyring[i].type = _NONE; |
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| 37 | } |
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| 38 | |
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[4474] | 39 | // enable guest access. |
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| 40 | if ( auth_regkey_simple(ROAR_AUTH_T_NONE, ACCLEV_ALL) == NULL ) |
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| 41 | return -1; |
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| 42 | |
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[4469] | 43 | return 0; |
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| 44 | } |
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| 45 | |
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| 46 | int auth_free (void) { |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |
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[4474] | 50 | union auth_typeunion * auth_regkey_simple(int type, enum roard_client_acclev acclev) { |
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| 51 | struct auth_key * key; |
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| 52 | int i; |
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| 53 | |
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| 54 | for (i = 0; i < AUTH_KEYRING_LEN; i++) { |
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| 55 | if ( (key = &(g_auth_keyring[i]))->type == _NONE ) { |
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| 56 | memset(key, 0, sizeof(struct auth_key)); |
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| 57 | key->type = type; |
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| 58 | key->acclev = acclev; |
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| 59 | return &(key->at_data); |
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| 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | return NULL; |
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| 64 | } |
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| 65 | |
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| 66 | static int _ck_password(struct auth_key * key, struct roar_auth_message * authmes) { |
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| 67 | size_t len = strlen(key->at_data.password.password); |
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| 68 | |
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| 69 | // need to check here if we have a padding \0-byte. |
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| 70 | |
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| 71 | if ( len == authmes->len ) { |
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| 72 | if ( memcmp(key->at_data.password.password, authmes->data, len) ) { |
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| 73 | return -1; |
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| 74 | } else { |
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| 75 | return 1; |
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| 76 | } |
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| 77 | } |
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| 78 | |
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| 79 | return -1; |
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| 80 | } |
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| 81 | |
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| 82 | int auth_client_ckeck(struct roar_client_server * cs, struct roar_auth_message * authmes) { |
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| 83 | struct auth_key * key; |
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| 84 | int i; |
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| 85 | int ret; |
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| 86 | |
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| 87 | if ( cs == NULL || authmes == NULL ) |
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| 88 | return -1; |
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| 89 | |
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| 90 | for (i = 0; i < AUTH_KEYRING_LEN; i++) { |
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| 91 | if ( (key = &(g_auth_keyring[i]))->type == authmes->type ) { |
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| 92 | ret = -1; |
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| 93 | switch (key->type) { |
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| 94 | case ROAR_AUTH_T_NONE: |
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| 95 | ret = 1; |
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| 96 | break; |
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| 97 | case ROAR_AUTH_T_PASSWORD: |
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| 98 | ret = _ck_password(key, authmes); |
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| 99 | break; |
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| 100 | case ROAR_AUTH_T_TRUST: |
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| 101 | case ROAR_AUTH_T_COOKIE: |
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| 102 | case ROAR_AUTH_T_SYSUSER: |
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| 103 | case ROAR_AUTH_T_RHOST: |
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| 104 | default: |
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| 105 | /* don't know what to do... */ |
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| 106 | return -1; |
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| 107 | break; |
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| 108 | } |
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| 109 | switch (ret) { |
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| 110 | case -1: |
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| 111 | /* ignore this case and continue */ |
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| 112 | break; |
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| 113 | case 0: |
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| 114 | return 0; |
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| 115 | break; |
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| 116 | case 1: |
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| 117 | cs->acclev = key->acclev; |
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| 118 | return 1; |
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| 119 | break; |
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| 120 | default: /* error! */ |
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| 121 | return -1; |
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| 122 | break; |
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| 123 | } |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | return -1; |
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| 128 | } |
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| 129 | |
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[4469] | 130 | //ll |
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