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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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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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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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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130 | //ll |
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