1 | /********************************************************************\ |
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2 | * BitlBee -- An IRC to other IM-networks gateway * |
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3 | * * |
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4 | * Copyright 2002-2010 Wilmer van der Gaast and others * |
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5 | \********************************************************************/ |
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6 | |
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7 | /* Account management functions */ |
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8 | |
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9 | /* |
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10 | This program 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 as published by |
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12 | the Free Software Foundation; either version 2 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License with |
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21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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22 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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23 | Suite 330, Boston, MA 02111-1307 USA |
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24 | */ |
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25 | |
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26 | #define BITLBEE_CORE |
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27 | #include "bitlbee.h" |
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28 | #include "account.h" |
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29 | |
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30 | static char *set_eval_nick_source( set_t *set, char *value ); |
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31 | |
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32 | account_t *account_add( bee_t *bee, struct prpl *prpl, char *user, char *pass ) |
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33 | { |
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34 | account_t *a; |
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35 | set_t *s; |
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36 | char tag[strlen(prpl->name)+10]; |
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37 | |
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38 | if( bee->accounts ) |
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39 | { |
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40 | for( a = bee->accounts; a->next; a = a->next ); |
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41 | a = a->next = g_new0( account_t, 1 ); |
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42 | } |
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43 | else |
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44 | { |
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45 | bee->accounts = a = g_new0 ( account_t, 1 ); |
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46 | } |
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47 | |
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48 | a->prpl = prpl; |
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49 | a->user = g_strdup( user ); |
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50 | a->pass = g_strdup( pass ); |
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51 | a->auto_connect = 1; |
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52 | a->bee = bee; |
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53 | |
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54 | s = set_add( &a->set, "auto_connect", "true", set_eval_account, a ); |
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55 | s->flags |= ACC_SET_NOSAVE; |
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56 | |
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57 | s = set_add( &a->set, "auto_reconnect", "true", set_eval_bool, a ); |
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58 | |
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59 | s = set_add( &a->set, "nick_format", NULL, NULL, a ); |
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60 | s->flags |= SET_NULL_OK; |
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61 | |
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62 | s = set_add( &a->set, "nick_source", "handle", set_eval_nick_source, a ); |
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63 | s->flags |= ACC_SET_NOSAVE; /* Just for bw compatibility! */ |
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64 | |
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65 | s = set_add( &a->set, "password", NULL, set_eval_account, a ); |
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66 | s->flags |= ACC_SET_NOSAVE | SET_NULL_OK; |
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67 | |
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68 | s = set_add( &a->set, "tag", NULL, set_eval_account, a ); |
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69 | s->flags |= ACC_SET_NOSAVE; |
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70 | |
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71 | s = set_add( &a->set, "username", NULL, set_eval_account, a ); |
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72 | s->flags |= ACC_SET_NOSAVE | ACC_SET_OFFLINE_ONLY; |
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73 | set_setstr( &a->set, "username", user ); |
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74 | |
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75 | /* Hardcode some more clever tag guesses. */ |
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76 | strcpy( tag, prpl->name ); |
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77 | if( strcmp( prpl->name, "oscar" ) == 0 ) |
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78 | { |
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79 | if( isdigit( a->user[0] ) ) |
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80 | strcpy( tag, "icq" ); |
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81 | else |
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82 | strcpy( tag, "aim" ); |
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83 | } |
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84 | else if( strcmp( prpl->name, "jabber" ) == 0 ) |
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85 | { |
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86 | if( strstr( a->user, "@gmail.com" ) || |
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87 | strstr( a->user, "@googlemail.com" ) ) |
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88 | strcpy( tag, "gtalk" ); |
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89 | else if( strstr( a->user, "@chat.facebook.com" ) ) |
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90 | strcpy( tag, "fb" ); |
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91 | } |
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92 | |
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93 | if( account_by_tag( bee, tag ) ) |
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94 | { |
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95 | char *numpos = tag + strlen( tag ); |
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96 | int i; |
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97 | |
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98 | for( i = 2; i < 10000; i ++ ) |
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99 | { |
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100 | sprintf( numpos, "%d", i ); |
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101 | if( !account_by_tag( bee, tag ) ) |
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102 | break; |
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103 | } |
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104 | } |
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105 | set_setstr( &a->set, "tag", tag ); |
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106 | |
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107 | a->nicks = g_hash_table_new_full( g_str_hash, g_str_equal, g_free, g_free ); |
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108 | |
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109 | /* This function adds some more settings (and might want to do more |
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110 | things that have to be done now, although I can't think of anything. */ |
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111 | if( prpl->init ) |
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112 | prpl->init( a ); |
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113 | |
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114 | s = set_add( &a->set, "away", NULL, set_eval_account, a ); |
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115 | s->flags |= SET_NULL_OK; |
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116 | |
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117 | if( a->flags & ACC_FLAG_STATUS_MESSAGE ) |
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118 | { |
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119 | s = set_add( &a->set, "status", NULL, set_eval_account, a ); |
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120 | s->flags |= SET_NULL_OK; |
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121 | } |
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122 | |
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123 | return a; |
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124 | } |
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125 | |
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126 | char *set_eval_account( set_t *set, char *value ) |
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127 | { |
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128 | account_t *acc = set->data; |
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129 | |
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130 | /* Double-check: We refuse to edit on-line accounts. */ |
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131 | if( set->flags & ACC_SET_OFFLINE_ONLY && acc->ic ) |
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132 | return SET_INVALID; |
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133 | |
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134 | if( strcmp( set->key, "server" ) == 0 ) |
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135 | { |
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136 | g_free( acc->server ); |
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137 | if( value && *value ) |
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138 | { |
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139 | acc->server = g_strdup( value ); |
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140 | return value; |
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141 | } |
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142 | else |
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143 | { |
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144 | acc->server = g_strdup( set->def ); |
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145 | return g_strdup( set->def ); |
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146 | } |
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147 | } |
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148 | else if( strcmp( set->key, "username" ) == 0 ) |
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149 | { |
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150 | g_free( acc->user ); |
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151 | acc->user = g_strdup( value ); |
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152 | return value; |
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153 | } |
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154 | else if( strcmp( set->key, "password" ) == 0 ) |
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155 | { |
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156 | if( value ) |
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157 | { |
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158 | g_free( acc->pass ); |
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159 | acc->pass = g_strdup( value ); |
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160 | return NULL; /* password shouldn't be visible in plaintext! */ |
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161 | } |
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162 | else |
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163 | { |
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164 | /* NULL can (should) be stored in the set_t |
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165 | variable, but is otherwise not correct. */ |
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166 | return SET_INVALID; |
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167 | } |
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168 | } |
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169 | else if( strcmp( set->key, "tag" ) == 0 ) |
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170 | { |
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171 | account_t *oa; |
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172 | |
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173 | /* Enforce uniqueness. */ |
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174 | if( ( oa = account_by_tag( acc->bee, value ) ) && oa != acc ) |
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175 | return SET_INVALID; |
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176 | |
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177 | g_free( acc->tag ); |
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178 | acc->tag = g_strdup( value ); |
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179 | return value; |
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180 | } |
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181 | else if( strcmp( set->key, "auto_connect" ) == 0 ) |
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182 | { |
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183 | if( !is_bool( value ) ) |
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184 | return SET_INVALID; |
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185 | |
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186 | acc->auto_connect = bool2int( value ); |
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187 | return value; |
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188 | } |
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189 | else if( strcmp( set->key, "away" ) == 0 || |
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190 | strcmp( set->key, "status" ) == 0 ) |
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191 | { |
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192 | if( acc->ic && acc->ic->flags & OPT_LOGGED_IN ) |
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193 | { |
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194 | /* If we're currently on-line, set the var now already |
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195 | (bit of a hack) and send an update. */ |
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196 | g_free( set->value ); |
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197 | set->value = g_strdup( value ); |
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198 | |
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199 | imc_away_send_update( acc->ic ); |
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200 | } |
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201 | |
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202 | return value; |
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203 | } |
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204 | |
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205 | return SET_INVALID; |
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206 | } |
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207 | |
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208 | /* For bw compatibility, have this write-only setting. */ |
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209 | static char *set_eval_nick_source( set_t *set, char *value ) |
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210 | { |
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211 | account_t *a = set->data; |
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212 | |
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213 | if( strcmp( value, "full_name" ) == 0 ) |
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214 | set_setstr( &a->set, "nick_format", "%full_name" ); |
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215 | else if( strcmp( value, "first_name" ) == 0 ) |
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216 | set_setstr( &a->set, "nick_format", "%first_name" ); |
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217 | else |
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218 | set_setstr( &a->set, "nick_format", "%-@nick" ); |
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219 | |
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220 | return value; |
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221 | } |
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222 | |
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223 | account_t *account_get( bee_t *bee, const char *id ) |
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224 | { |
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225 | account_t *a, *ret = NULL; |
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226 | char *handle, *s; |
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227 | int nr; |
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228 | |
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229 | /* Tags get priority above anything else. */ |
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230 | if( ( a = account_by_tag( bee, id ) ) ) |
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231 | return a; |
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232 | |
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233 | /* This checks if the id string ends with (...) */ |
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234 | if( ( handle = strchr( id, '(' ) ) && ( s = strchr( handle, ')' ) ) && s[1] == 0 ) |
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235 | { |
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236 | struct prpl *proto; |
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237 | |
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238 | *s = *handle = 0; |
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239 | handle ++; |
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240 | |
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241 | if( ( proto = find_protocol( id ) ) ) |
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242 | { |
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243 | for( a = bee->accounts; a; a = a->next ) |
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244 | if( a->prpl == proto && |
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245 | a->prpl->handle_cmp( handle, a->user ) == 0 ) |
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246 | ret = a; |
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247 | } |
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248 | |
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249 | /* Restore the string. */ |
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250 | handle --; |
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251 | *handle = '('; |
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252 | *s = ')'; |
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253 | |
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254 | if( ret ) |
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255 | return ret; |
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256 | } |
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257 | |
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258 | if( sscanf( id, "%d", &nr ) == 1 && nr < 1000 ) |
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259 | { |
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260 | for( a = bee->accounts; a; a = a->next ) |
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261 | if( ( nr-- ) == 0 ) |
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262 | return( a ); |
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263 | |
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264 | return( NULL ); |
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265 | } |
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266 | |
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267 | for( a = bee->accounts; a; a = a->next ) |
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268 | { |
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269 | if( g_strcasecmp( id, a->prpl->name ) == 0 ) |
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270 | { |
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271 | if( !ret ) |
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272 | ret = a; |
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273 | else |
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274 | return( NULL ); /* We don't want to match more than one... */ |
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275 | } |
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276 | else if( strstr( a->user, id ) ) |
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277 | { |
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278 | if( !ret ) |
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279 | ret = a; |
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280 | else |
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281 | return( NULL ); |
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282 | } |
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283 | } |
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284 | |
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285 | return( ret ); |
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286 | } |
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287 | |
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288 | account_t *account_by_tag( bee_t *bee, const char *tag ) |
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289 | { |
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290 | account_t *a; |
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291 | |
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292 | for( a = bee->accounts; a; a = a->next ) |
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293 | if( a->tag && g_strcasecmp( tag, a->tag ) == 0 ) |
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294 | return a; |
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295 | |
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296 | return NULL; |
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297 | } |
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298 | |
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299 | void account_del( bee_t *bee, account_t *acc ) |
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300 | { |
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301 | account_t *a, *l = NULL; |
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302 | |
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303 | if( acc->ic ) |
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304 | /* Caller should have checked, accounts still in use can't be deleted. */ |
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305 | return; |
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306 | |
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307 | for( a = bee->accounts; a; a = (l=a)->next ) |
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308 | if( a == acc ) |
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309 | { |
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310 | if( l ) |
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311 | l->next = a->next; |
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312 | else |
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313 | bee->accounts = a->next; |
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314 | |
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315 | /** FIXME |
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316 | for( c = bee->chatrooms; c; c = nc ) |
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317 | { |
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318 | nc = c->next; |
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319 | if( acc == c->acc ) |
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320 | chat_del( bee, c ); |
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321 | } |
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322 | */ |
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323 | |
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324 | while( a->set ) |
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325 | set_del( &a->set, a->set->key ); |
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326 | |
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327 | g_hash_table_destroy( a->nicks ); |
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328 | |
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329 | g_free( a->tag ); |
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330 | g_free( a->user ); |
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331 | g_free( a->pass ); |
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332 | g_free( a->server ); |
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333 | if( a->reconnect ) /* This prevents any reconnect still queued to happen */ |
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334 | cancel_auto_reconnect( a ); |
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335 | g_free( a ); |
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336 | |
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337 | break; |
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338 | } |
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339 | } |
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340 | |
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341 | static gboolean account_on_timeout( gpointer d, gint fd, b_input_condition cond ); |
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342 | |
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343 | void account_on( bee_t *bee, account_t *a ) |
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344 | { |
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345 | if( a->ic ) |
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346 | { |
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347 | /* Trying to enable an already-enabled account */ |
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348 | return; |
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349 | } |
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350 | |
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351 | cancel_auto_reconnect( a ); |
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352 | |
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353 | a->reconnect = 0; |
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354 | a->prpl->login( a ); |
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355 | |
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356 | if( a->ic && !( a->ic->flags & OPT_SLOW_LOGIN ) ) |
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357 | a->ic->keepalive = b_timeout_add( 120000, account_on_timeout, a->ic ); |
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358 | } |
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359 | |
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360 | void account_off( bee_t *bee, account_t *a ) |
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361 | { |
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362 | imc_logout( a->ic, FALSE ); |
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363 | a->ic = NULL; |
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364 | if( a->reconnect ) |
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365 | { |
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366 | /* Shouldn't happen */ |
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367 | cancel_auto_reconnect( a ); |
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368 | } |
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369 | } |
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370 | |
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371 | static gboolean account_on_timeout( gpointer d, gint fd, b_input_condition cond ) |
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372 | { |
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373 | struct im_connection *ic = d; |
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374 | |
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375 | imcb_error( ic, "Connection timeout" ); |
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376 | imc_logout( ic, TRUE ); |
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377 | |
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378 | return FALSE; |
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379 | } |
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380 | |
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381 | struct account_reconnect_delay |
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382 | { |
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383 | int start; |
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384 | char op; |
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385 | int step; |
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386 | int max; |
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387 | }; |
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388 | |
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389 | int account_reconnect_delay_parse( char *value, struct account_reconnect_delay *p ) |
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390 | { |
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391 | memset( p, 0, sizeof( *p ) ); |
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392 | /* A whole day seems like a sane "maximum maximum". */ |
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393 | p->max = 86400; |
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394 | |
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395 | /* Format: /[0-9]+([*+][0-9]+(<[0-9+])?)?/ */ |
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396 | while( *value && isdigit( *value ) ) |
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397 | p->start = p->start * 10 + *value++ - '0'; |
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398 | |
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399 | /* Sure, call me evil for implementing my own fscanf here, but it's |
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400 | dead simple and I immediately know where to continue parsing. */ |
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401 | |
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402 | if( *value == 0 ) |
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403 | /* If the string ends now, the delay is constant. */ |
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404 | return 1; |
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405 | else if( *value != '+' && *value != '*' ) |
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406 | /* Otherwise allow either a + or a * */ |
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407 | return 0; |
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408 | |
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409 | p->op = *value++; |
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410 | |
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411 | /* + or * the delay by this number every time. */ |
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412 | while( *value && isdigit( *value ) ) |
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413 | p->step = p->step * 10 + *value++ - '0'; |
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414 | |
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415 | if( *value == 0 ) |
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416 | /* Use the default maximum (one day). */ |
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417 | return 1; |
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418 | else if( *value != '<' ) |
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419 | return 0; |
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420 | |
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421 | p->max = 0; |
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422 | value ++; |
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423 | while( *value && isdigit( *value ) ) |
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424 | p->max = p->max * 10 + *value++ - '0'; |
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425 | |
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426 | return p->max > 0; |
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427 | } |
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428 | |
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429 | char *set_eval_account_reconnect_delay( set_t *set, char *value ) |
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430 | { |
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431 | struct account_reconnect_delay p; |
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432 | |
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433 | return account_reconnect_delay_parse( value, &p ) ? value : SET_INVALID; |
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434 | } |
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435 | |
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436 | int account_reconnect_delay( account_t *a ) |
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437 | { |
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438 | char *setting = set_getstr( &a->bee->set, "auto_reconnect_delay" ); |
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439 | struct account_reconnect_delay p; |
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440 | |
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441 | if( account_reconnect_delay_parse( setting, &p ) ) |
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442 | { |
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443 | if( a->auto_reconnect_delay == 0 ) |
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444 | a->auto_reconnect_delay = p.start; |
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445 | else if( p.op == '+' ) |
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446 | a->auto_reconnect_delay += p.step; |
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447 | else if( p.op == '*' ) |
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448 | a->auto_reconnect_delay *= p.step; |
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449 | |
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450 | if( a->auto_reconnect_delay > p.max ) |
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451 | a->auto_reconnect_delay = p.max; |
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452 | } |
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453 | else |
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454 | { |
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455 | a->auto_reconnect_delay = 0; |
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456 | } |
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457 | |
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458 | return a->auto_reconnect_delay; |
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459 | } |
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