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 2002-2013 Wilmer van der Gaast and others * |
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5 | \********************************************************************/ |
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6 | |
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7 | /* The IRC-based UI - Representing (virtual) channels. */ |
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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 | #include "bitlbee.h" |
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27 | |
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28 | static char *set_eval_channel_type( set_t *set, char *value ); |
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29 | static gint irc_channel_user_cmp( gconstpointer a_, gconstpointer b_ ); |
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30 | static const struct irc_channel_funcs control_channel_funcs; |
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31 | |
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32 | extern const struct irc_channel_funcs irc_channel_im_chat_funcs; |
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33 | |
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34 | irc_channel_t *irc_channel_new( irc_t *irc, const char *name ) |
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35 | { |
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36 | irc_channel_t *ic; |
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37 | set_t *s; |
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38 | |
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39 | if( !irc_channel_name_ok( name ) || irc_channel_by_name( irc, name ) ) |
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40 | return NULL; |
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41 | |
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42 | ic = g_new0( irc_channel_t, 1 ); |
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43 | ic->irc = irc; |
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44 | ic->name = g_strdup( name ); |
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45 | strcpy( ic->mode, CMODE ); |
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46 | |
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47 | irc_channel_add_user( ic, irc->root ); |
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48 | |
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49 | irc->channels = g_slist_append( irc->channels, ic ); |
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50 | |
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51 | set_add( &ic->set, "auto_join", "false", set_eval_bool, ic ); |
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52 | |
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53 | s = set_add( &ic->set, "type", "control", set_eval_channel_type, ic ); |
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54 | s->flags |= SET_NOSAVE; /* Layer violation (XML format detail) */ |
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55 | |
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56 | if( name[0] == '&' ) |
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57 | set_setstr( &ic->set, "type", "control" ); |
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58 | else /* if( name[0] == '#' ) */ |
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59 | set_setstr( &ic->set, "type", "chat" ); |
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60 | |
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61 | return ic; |
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62 | } |
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63 | |
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64 | irc_channel_t *irc_channel_by_name( irc_t *irc, const char *name ) |
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65 | { |
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66 | GSList *l; |
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67 | |
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68 | for( l = irc->channels; l; l = l->next ) |
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69 | { |
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70 | irc_channel_t *ic = l->data; |
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71 | |
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72 | if( irc_channel_name_cmp( name, ic->name ) == 0 ) |
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73 | return ic; |
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74 | } |
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75 | |
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76 | return NULL; |
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77 | } |
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78 | |
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79 | irc_channel_t *irc_channel_get( irc_t *irc, char *id ) |
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80 | { |
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81 | irc_channel_t *ic, *ret = NULL; |
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82 | GSList *l; |
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83 | int nr; |
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84 | |
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85 | if( sscanf( id, "%d", &nr ) == 1 && nr < 1000 ) |
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86 | { |
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87 | for( l = irc->channels; l; l = l->next ) |
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88 | { |
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89 | ic = l->data; |
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90 | if( ( nr-- ) == 0 ) |
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91 | return ic; |
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92 | } |
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93 | |
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94 | return NULL; |
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95 | } |
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96 | |
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97 | /* Exact match first: Partial match only sucks if there's a channel |
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98 | #aa and #aabb */ |
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99 | if( ( ret = irc_channel_by_name( irc, id ) ) ) |
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100 | return ret; |
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101 | |
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102 | for( l = irc->channels; l; l = l->next ) |
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103 | { |
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104 | ic = l->data; |
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105 | |
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106 | if( strstr( ic->name, id ) ) |
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107 | { |
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108 | /* Make sure it's a unique match. */ |
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109 | if( !ret ) |
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110 | ret = ic; |
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111 | else |
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112 | return NULL; |
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113 | } |
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114 | } |
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115 | |
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116 | return ret; |
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117 | } |
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118 | |
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119 | int irc_channel_free( irc_channel_t *ic ) |
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120 | { |
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121 | irc_t *irc; |
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122 | GSList *l; |
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123 | |
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124 | if( ic == NULL ) |
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125 | return 0; |
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126 | irc = ic->irc; |
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127 | |
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128 | if( ic->flags & IRC_CHANNEL_JOINED ) |
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129 | irc_channel_del_user( ic, irc->user, IRC_CDU_KICK, "Cleaning up channel" ); |
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130 | |
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131 | if( ic->f->_free ) |
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132 | ic->f->_free( ic ); |
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133 | |
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134 | while( ic->set ) |
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135 | set_del( &ic->set, ic->set->key ); |
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136 | |
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137 | irc->channels = g_slist_remove( irc->channels, ic ); |
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138 | while( ic->users ) |
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139 | { |
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140 | g_free( ic->users->data ); |
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141 | ic->users = g_slist_remove( ic->users, ic->users->data ); |
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142 | } |
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143 | |
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144 | for( l = irc->users; l; l = l->next ) |
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145 | { |
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146 | irc_user_t *iu = l->data; |
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147 | |
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148 | if( iu->last_channel == ic ) |
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149 | iu->last_channel = irc->default_channel; |
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150 | } |
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151 | |
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152 | if( ic->pastebuf_timer ) b_event_remove( ic->pastebuf_timer ); |
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153 | |
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154 | g_free( ic->name ); |
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155 | g_free( ic->topic ); |
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156 | g_free( ic->topic_who ); |
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157 | g_free( ic ); |
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158 | |
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159 | return 1; |
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160 | } |
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161 | |
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162 | struct irc_channel_free_data |
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163 | { |
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164 | irc_t *irc; |
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165 | irc_channel_t *ic; |
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166 | char *name; |
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167 | }; |
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168 | |
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169 | static gboolean irc_channel_free_callback( gpointer data, gint fd, b_input_condition cond ) |
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170 | { |
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171 | struct irc_channel_free_data *d = data; |
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172 | |
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173 | if( g_slist_find( irc_connection_list, d->irc ) && |
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174 | irc_channel_by_name( d->irc, d->name ) == d->ic && |
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175 | !( d->ic->flags & IRC_CHANNEL_JOINED ) ) |
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176 | irc_channel_free( d->ic ); |
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177 | |
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178 | g_free( d->name ); |
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179 | g_free( d ); |
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180 | return FALSE; |
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181 | } |
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182 | |
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183 | /* Free the channel, but via the event loop, so after finishing whatever event |
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184 | we're currently handling. */ |
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185 | void irc_channel_free_soon( irc_channel_t *ic ) |
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186 | { |
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187 | struct irc_channel_free_data *d = g_new0( struct irc_channel_free_data, 1 ); |
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188 | |
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189 | d->irc = ic->irc; |
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190 | d->ic = ic; |
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191 | d->name = g_strdup( ic->name ); |
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192 | |
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193 | b_timeout_add( 0, irc_channel_free_callback, d ); |
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194 | } |
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195 | |
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196 | static char *set_eval_channel_type( set_t *set, char *value ) |
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197 | { |
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198 | struct irc_channel *ic = set->data; |
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199 | const struct irc_channel_funcs *new; |
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200 | |
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201 | if( strcmp( value, "control" ) == 0 ) |
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202 | new = &control_channel_funcs; |
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203 | else if( ic != ic->irc->default_channel && strcmp( value, "chat" ) == 0 ) |
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204 | new = &irc_channel_im_chat_funcs; |
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205 | else |
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206 | return SET_INVALID; |
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207 | |
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208 | /* TODO: Return values. */ |
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209 | if( ic->f && ic->f->_free ) |
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210 | ic->f->_free( ic ); |
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211 | |
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212 | ic->f = new; |
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213 | |
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214 | if( ic->f && ic->f->_init ) |
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215 | ic->f->_init( ic ); |
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216 | |
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217 | return value; |
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218 | } |
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219 | |
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220 | int irc_channel_add_user( irc_channel_t *ic, irc_user_t *iu ) |
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221 | { |
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222 | irc_channel_user_t *icu; |
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223 | |
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224 | if( irc_channel_has_user( ic, iu ) ) |
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225 | return 0; |
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226 | |
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227 | icu = g_new0( irc_channel_user_t, 1 ); |
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228 | icu->iu = iu; |
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229 | |
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230 | ic->users = g_slist_insert_sorted( ic->users, icu, irc_channel_user_cmp ); |
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231 | |
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232 | irc_channel_update_ops( ic, set_getstr( &ic->irc->b->set, "ops" ) ); |
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233 | |
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234 | if( iu == ic->irc->user || ic->flags & IRC_CHANNEL_JOINED ) |
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235 | { |
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236 | ic->flags |= IRC_CHANNEL_JOINED; |
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237 | irc_send_join( ic, iu ); |
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238 | } |
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239 | |
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240 | return 1; |
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241 | } |
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242 | |
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243 | int irc_channel_del_user( irc_channel_t *ic, irc_user_t *iu, irc_channel_del_user_type_t type, const char *msg ) |
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244 | { |
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245 | irc_channel_user_t *icu; |
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246 | |
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247 | if( !( icu = irc_channel_has_user( ic, iu ) ) ) |
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248 | return 0; |
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249 | |
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250 | ic->users = g_slist_remove( ic->users, icu ); |
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251 | g_free( icu ); |
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252 | |
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253 | if( !( ic->flags & IRC_CHANNEL_JOINED ) || type == IRC_CDU_SILENT ) {} |
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254 | /* Do nothing. The caller should promise it won't screw |
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255 | up state of the IRC client. :-) */ |
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256 | else if( type == IRC_CDU_PART ) |
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257 | irc_send_part( ic, iu, msg ); |
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258 | else if( type == IRC_CDU_KICK ) |
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259 | irc_send_kick( ic, iu, ic->irc->root, msg ); |
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260 | |
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261 | if( iu == ic->irc->user ) |
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262 | { |
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263 | ic->flags &= ~IRC_CHANNEL_JOINED; |
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264 | |
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265 | if( ic->irc->status & USTATUS_SHUTDOWN ) |
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266 | { |
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267 | /* Don't do anything fancy when we're shutting down anyway. */ |
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268 | } |
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269 | else if( ic->flags & IRC_CHANNEL_TEMP ) |
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270 | { |
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271 | irc_channel_free_soon( ic ); |
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272 | } |
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273 | else |
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274 | { |
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275 | /* Flush userlist now. The user won't see it anyway. */ |
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276 | while( ic->users ) |
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277 | { |
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278 | g_free( ic->users->data ); |
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279 | ic->users = g_slist_remove( ic->users, ic->users->data ); |
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280 | } |
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281 | irc_channel_add_user( ic, ic->irc->root ); |
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282 | } |
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283 | } |
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284 | |
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285 | return 1; |
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286 | } |
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287 | |
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288 | irc_channel_user_t *irc_channel_has_user( irc_channel_t *ic, irc_user_t *iu ) |
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289 | { |
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290 | GSList *l; |
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291 | |
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292 | for( l = ic->users; l; l = l->next ) |
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293 | { |
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294 | irc_channel_user_t *icu = l->data; |
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295 | |
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296 | if( icu->iu == iu ) |
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297 | return icu; |
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298 | } |
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299 | |
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300 | return NULL; |
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301 | } |
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302 | |
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303 | /* Find a channel we're currently in, that currently has iu in it. */ |
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304 | struct irc_channel *irc_channel_with_user( irc_t *irc, irc_user_t *iu ) |
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305 | { |
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306 | GSList *l; |
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307 | |
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308 | for( l = irc->channels; l; l = l->next ) |
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309 | { |
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310 | irc_channel_t *ic = l->data; |
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311 | |
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312 | if( strcmp( set_getstr( &ic->set, "type" ), "control" ) != 0 ) |
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313 | continue; |
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314 | |
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315 | if( ( ic->flags & IRC_CHANNEL_JOINED ) && |
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316 | irc_channel_has_user( ic, iu ) ) |
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317 | return ic; |
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318 | } |
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319 | |
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320 | /* If there was no match, try once more but just see if the user |
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321 | *would* be in the channel, i.e. if s/he were online. */ |
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322 | if( iu->bu == NULL ) |
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323 | return NULL; |
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324 | |
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325 | for( l = irc->channels; l; l = l->next ) |
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326 | { |
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327 | irc_channel_t *ic = l->data; |
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328 | |
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329 | if( strcmp( set_getstr( &ic->set, "type" ), "control" ) != 0 ) |
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330 | continue; |
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331 | |
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332 | if( ( ic->flags & IRC_CHANNEL_JOINED ) && |
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333 | irc_channel_wants_user( ic, iu ) ) |
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334 | return ic; |
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335 | } |
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336 | |
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337 | return NULL; |
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338 | } |
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339 | |
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340 | int irc_channel_set_topic( irc_channel_t *ic, const char *topic, const irc_user_t *iu ) |
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341 | { |
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342 | g_free( ic->topic ); |
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343 | ic->topic = g_strdup( topic ); |
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344 | |
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345 | g_free( ic->topic_who ); |
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346 | if( iu ) |
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347 | ic->topic_who = g_strdup_printf( "%s!%s@%s", iu->nick, iu->user, iu->host ); |
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348 | else |
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349 | ic->topic_who = NULL; |
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350 | |
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351 | ic->topic_time = time( NULL ); |
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352 | |
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353 | if( ic->flags & IRC_CHANNEL_JOINED ) |
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354 | irc_send_topic( ic, TRUE ); |
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355 | |
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356 | return 1; |
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357 | } |
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358 | |
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359 | void irc_channel_user_set_mode( irc_channel_t *ic, irc_user_t *iu, irc_channel_user_flags_t flags ) |
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360 | { |
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361 | irc_channel_user_t *icu = irc_channel_has_user( ic, iu ); |
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362 | |
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363 | if( !icu || icu->flags == flags ) |
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364 | return; |
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365 | |
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366 | if( ic->flags & IRC_CHANNEL_JOINED ) |
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367 | irc_send_channel_user_mode_diff( ic, iu, icu->flags, flags ); |
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368 | |
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369 | icu->flags = flags; |
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370 | } |
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371 | |
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372 | void irc_channel_set_mode( irc_channel_t *ic, const char *s ) |
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373 | { |
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374 | irc_t *irc = ic->irc; |
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375 | char m[128], st = 1; |
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376 | const char *t; |
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377 | int i; |
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378 | char changes[512], *p, st2 = 2; |
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379 | |
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380 | memset( m, 0, sizeof( m ) ); |
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381 | |
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382 | for( t = ic->mode; *t; t ++ ) |
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383 | if( *t < sizeof( m ) ) |
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384 | m[(int)*t] = 1; |
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385 | |
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386 | p = changes; |
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387 | for( t = s; *t; t ++ ) |
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388 | { |
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389 | if( *t == '+' || *t == '-' ) |
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390 | st = *t == '+'; |
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391 | else if( strchr( CMODES, *t ) ) |
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392 | { |
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393 | if( m[(int)*t] != st) |
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394 | { |
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395 | if( st != st2 ) |
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396 | st2 = st, *p++ = st ? '+' : '-'; |
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397 | *p++ = *t; |
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398 | } |
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399 | m[(int)*t] = st; |
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400 | } |
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401 | } |
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402 | *p = '\0'; |
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403 | |
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404 | memset( ic->mode, 0, sizeof( ic->mode ) ); |
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405 | |
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406 | for( i = 'A'; i <= 'z' && strlen( ic->mode ) < ( sizeof( ic->mode ) - 1 ); i ++ ) |
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407 | if( m[i] ) |
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408 | ic->mode[strlen(ic->mode)] = i; |
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409 | |
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410 | if( *changes && ( ic->flags & IRC_CHANNEL_JOINED ) ) |
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411 | irc_write( irc, ":%s!%s@%s MODE %s :%s", irc->root->nick, |
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412 | irc->root->user, irc->root->host, ic->name, |
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413 | changes ); |
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414 | } |
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415 | |
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416 | void irc_channel_auto_joins( irc_t *irc, account_t *acc ) |
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417 | { |
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418 | GSList *l; |
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419 | |
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420 | for( l = irc->channels; l; l = l->next ) |
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421 | { |
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422 | irc_channel_t *ic = l->data; |
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423 | gboolean aj = set_getbool( &ic->set, "auto_join" ); |
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424 | char *type; |
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425 | |
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426 | if( acc && |
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427 | ( type = set_getstr( &ic->set, "chat_type" ) ) && |
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428 | strcmp( type, "room" ) == 0 ) |
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429 | { |
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430 | /* Bit of an ugly special case: Handle chatrooms here, we |
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431 | can only auto-join them if their account is online. */ |
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432 | char *acc_s; |
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433 | |
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434 | if( !aj && !( ic->flags & IRC_CHANNEL_JOINED ) ) |
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435 | /* Only continue if this one's marked as auto_join |
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436 | or if we're in it already. (Possible if the |
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437 | client auto-rejoined it before identyfing.) */ |
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438 | continue; |
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439 | else if( !( acc_s = set_getstr( &ic->set, "account" ) ) ) |
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440 | continue; |
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441 | else if( account_get( irc->b, acc_s ) != acc ) |
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442 | continue; |
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443 | else if( acc->ic == NULL || !( acc->ic->flags & OPT_LOGGED_IN ) ) |
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444 | continue; |
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445 | else |
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446 | ic->f->join( ic ); |
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447 | } |
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448 | else if( aj ) |
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449 | { |
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450 | irc_channel_add_user( ic, irc->user ); |
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451 | } |
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452 | } |
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453 | } |
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454 | |
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455 | void irc_channel_printf( irc_channel_t *ic, char *format, ... ) |
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456 | { |
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457 | va_list params; |
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458 | char *text; |
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459 | |
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460 | va_start( params, format ); |
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461 | text = g_strdup_vprintf( format, params ); |
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462 | va_end( params ); |
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463 | |
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464 | irc_send_msg( ic->irc->root, "PRIVMSG", ic->name, text, NULL ); |
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465 | g_free( text ); |
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466 | } |
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467 | |
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468 | gboolean irc_channel_name_ok( const char *name_ ) |
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469 | { |
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470 | const unsigned char *name = (unsigned char*) name_; |
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471 | int i; |
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472 | |
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473 | if( name_[0] == '\0' ) |
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474 | return FALSE; |
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475 | |
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476 | /* Check if the first character is in CTYPES (#&) */ |
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477 | if( strchr( CTYPES, name_[0] ) == NULL ) |
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478 | return FALSE; |
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479 | |
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480 | /* RFC 1459 keeps amazing me: While only a "few" chars are allowed |
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481 | in nicknames, channel names can be pretty much anything as long |
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482 | as they start with # or &. I'll be a little bit more strict and |
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483 | disallow all non-printable characters. */ |
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484 | for( i = 1; name[i]; i ++ ) |
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485 | if( name[i] <= ' ' || name[i] == ',' ) |
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486 | return FALSE; |
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487 | |
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488 | return TRUE; |
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489 | } |
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490 | |
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491 | void irc_channel_name_strip( char *name ) |
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492 | { |
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493 | int i, j; |
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494 | |
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495 | for( i = j = 0; name[i]; i ++ ) |
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496 | if( name[i] > ' ' && name[i] != ',' ) |
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497 | name[j++] = name[i]; |
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498 | |
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499 | name[j] = '\0'; |
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500 | } |
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501 | |
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502 | int irc_channel_name_cmp( const char *a_, const char *b_ ) |
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503 | { |
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504 | static unsigned char case_map[256]; |
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505 | const unsigned char *a = (unsigned char*) a_, *b = (unsigned char*) b_; |
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506 | int i; |
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507 | |
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508 | if( case_map['A'] == '\0' ) |
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509 | { |
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510 | for( i = 33; i < 256; i ++ ) |
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511 | if( i != ',' ) |
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512 | case_map[i] = i; |
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513 | |
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514 | for( i = 0; i < 26; i ++ ) |
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515 | case_map['A'+i] = 'a' + i; |
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516 | |
---|
517 | case_map['['] = '{'; |
---|
518 | case_map[']'] = '}'; |
---|
519 | case_map['~'] = '`'; |
---|
520 | case_map['\\'] = '|'; |
---|
521 | } |
---|
522 | |
---|
523 | if( !irc_channel_name_ok( a_ ) || !irc_channel_name_ok( b_ ) ) |
---|
524 | return -1; |
---|
525 | |
---|
526 | for( i = 0; a[i] && b[i] && case_map[a[i]] && case_map[b[i]]; i ++ ) |
---|
527 | { |
---|
528 | if( case_map[a[i]] == case_map[b[i]] ) |
---|
529 | continue; |
---|
530 | else |
---|
531 | return case_map[a[i]] - case_map[b[i]]; |
---|
532 | } |
---|
533 | |
---|
534 | return case_map[a[i]] - case_map[b[i]]; |
---|
535 | } |
---|
536 | |
---|
537 | static gint irc_channel_user_cmp( gconstpointer a_, gconstpointer b_ ) |
---|
538 | { |
---|
539 | const irc_channel_user_t *a = a_, *b = b_; |
---|
540 | |
---|
541 | return irc_user_cmp( a->iu, b->iu ); |
---|
542 | } |
---|
543 | |
---|
544 | void irc_channel_update_ops( irc_channel_t *ic, char *value ) |
---|
545 | { |
---|
546 | irc_channel_user_set_mode( ic, ic->irc->root, |
---|
547 | ( strcmp( value, "both" ) == 0 || |
---|
548 | strcmp( value, "root" ) == 0 ) ? IRC_CHANNEL_USER_OP : 0 ); |
---|
549 | irc_channel_user_set_mode( ic, ic->irc->user, |
---|
550 | ( strcmp( value, "both" ) == 0 || |
---|
551 | strcmp( value, "user" ) == 0 ) ? IRC_CHANNEL_USER_OP : 0 ); |
---|
552 | } |
---|
553 | |
---|
554 | char *set_eval_irc_channel_ops( set_t *set, char *value ) |
---|
555 | { |
---|
556 | irc_t *irc = set->data; |
---|
557 | GSList *l; |
---|
558 | |
---|
559 | if( strcmp( value, "both" ) != 0 && strcmp( value, "none" ) != 0 && |
---|
560 | strcmp( value, "user" ) != 0 && strcmp( value, "root" ) != 0 ) |
---|
561 | return SET_INVALID; |
---|
562 | |
---|
563 | for( l = irc->channels; l; l = l->next ) |
---|
564 | irc_channel_update_ops( l->data, value ); |
---|
565 | |
---|
566 | return value; |
---|
567 | } |
---|
568 | |
---|
569 | /* Channel-type dependent functions, for control channels: */ |
---|
570 | static gboolean control_channel_privmsg( irc_channel_t *ic, const char *msg ) |
---|
571 | { |
---|
572 | irc_t *irc = ic->irc; |
---|
573 | irc_user_t *iu; |
---|
574 | const char *s; |
---|
575 | |
---|
576 | /* Scan for non-whitespace chars followed by a colon: */ |
---|
577 | for( s = msg; *s && !isspace( *s ) && *s != ':' && *s != ','; s ++ ) {} |
---|
578 | |
---|
579 | if( *s == ':' || *s == ',' ) |
---|
580 | { |
---|
581 | char to[s-msg+1]; |
---|
582 | |
---|
583 | memset( to, 0, sizeof( to ) ); |
---|
584 | strncpy( to, msg, s - msg ); |
---|
585 | while( *(++s) && isspace( *s ) ) {} |
---|
586 | msg = s; |
---|
587 | |
---|
588 | if( !( iu = irc_user_by_name( irc, to ) ) ) |
---|
589 | irc_channel_printf( ic, "User does not exist: %s", to ); |
---|
590 | else |
---|
591 | ic->last_target = iu; |
---|
592 | } |
---|
593 | else if( g_strcasecmp( set_getstr( &irc->b->set, "default_target" ), "last" ) == 0 && |
---|
594 | ic->last_target && g_slist_find( irc->users, ic->last_target ) ) |
---|
595 | iu = ic->last_target; |
---|
596 | else |
---|
597 | iu = irc->root; |
---|
598 | |
---|
599 | if( iu && iu->f->privmsg ) |
---|
600 | { |
---|
601 | iu->last_channel = ic; |
---|
602 | iu->f->privmsg( iu, msg ); |
---|
603 | } |
---|
604 | |
---|
605 | return TRUE; |
---|
606 | } |
---|
607 | |
---|
608 | static gboolean control_channel_invite( irc_channel_t *ic, irc_user_t *iu ) |
---|
609 | { |
---|
610 | struct irc_control_channel *icc = ic->data; |
---|
611 | bee_user_t *bu = iu->bu; |
---|
612 | |
---|
613 | if( bu == NULL ) |
---|
614 | return FALSE; |
---|
615 | |
---|
616 | if( icc->type != IRC_CC_TYPE_GROUP ) |
---|
617 | { |
---|
618 | irc_send_num( ic->irc, 482, "%s :Invitations are only possible to fill_by=group channels", ic->name ); |
---|
619 | return FALSE; |
---|
620 | } |
---|
621 | |
---|
622 | bu->ic->acc->prpl->add_buddy( bu->ic, bu->handle, |
---|
623 | icc->group ? icc->group->name : NULL ); |
---|
624 | |
---|
625 | return TRUE; |
---|
626 | } |
---|
627 | |
---|
628 | static char *set_eval_by_account( set_t *set, char *value ); |
---|
629 | static char *set_eval_fill_by( set_t *set, char *value ); |
---|
630 | static char *set_eval_by_group( set_t *set, char *value ); |
---|
631 | static char *set_eval_by_protocol( set_t *set, char *value ); |
---|
632 | static char *set_eval_show_users( set_t *set, char *value ); |
---|
633 | |
---|
634 | static gboolean control_channel_init( irc_channel_t *ic ) |
---|
635 | { |
---|
636 | struct irc_control_channel *icc; |
---|
637 | |
---|
638 | set_add( &ic->set, "account", NULL, set_eval_by_account, ic ); |
---|
639 | set_add( &ic->set, "fill_by", "all", set_eval_fill_by, ic ); |
---|
640 | set_add( &ic->set, "group", NULL, set_eval_by_group, ic ); |
---|
641 | set_add( &ic->set, "protocol", NULL, set_eval_by_protocol, ic ); |
---|
642 | |
---|
643 | /* When changing the default, also change it below. */ |
---|
644 | set_add( &ic->set, "show_users", "online+,away", set_eval_show_users, ic ); |
---|
645 | |
---|
646 | ic->data = icc = g_new0( struct irc_control_channel, 1 ); |
---|
647 | icc->type = IRC_CC_TYPE_DEFAULT; |
---|
648 | |
---|
649 | /* Have to run the evaluator to initialize icc->modes. */ |
---|
650 | set_setstr( &ic->set, "show_users", "online+,away" ); |
---|
651 | |
---|
652 | /* For scripts that care. */ |
---|
653 | irc_channel_set_mode( ic, "+C" ); |
---|
654 | |
---|
655 | return TRUE; |
---|
656 | } |
---|
657 | |
---|
658 | static gboolean control_channel_join( irc_channel_t *ic ) |
---|
659 | { |
---|
660 | bee_irc_channel_update( ic->irc, ic, NULL ); |
---|
661 | |
---|
662 | return TRUE; |
---|
663 | } |
---|
664 | |
---|
665 | static char *set_eval_by_account( set_t *set, char *value ) |
---|
666 | { |
---|
667 | struct irc_channel *ic = set->data; |
---|
668 | struct irc_control_channel *icc = ic->data; |
---|
669 | account_t *acc; |
---|
670 | |
---|
671 | if( !( acc = account_get( ic->irc->b, value ) ) ) |
---|
672 | return SET_INVALID; |
---|
673 | |
---|
674 | icc->account = acc; |
---|
675 | if( ( icc->type & IRC_CC_TYPE_MASK ) == IRC_CC_TYPE_ACCOUNT ) |
---|
676 | bee_irc_channel_update( ic->irc, ic, NULL ); |
---|
677 | |
---|
678 | return g_strdup( acc->tag ); |
---|
679 | } |
---|
680 | |
---|
681 | static char *set_eval_fill_by( set_t *set, char *value ) |
---|
682 | { |
---|
683 | struct irc_channel *ic = set->data; |
---|
684 | struct irc_control_channel *icc = ic->data; |
---|
685 | char *s; |
---|
686 | |
---|
687 | icc->type &= ~( IRC_CC_TYPE_MASK | IRC_CC_TYPE_INVERT ); |
---|
688 | |
---|
689 | s = value; |
---|
690 | if( s[0] == '!' ) |
---|
691 | { |
---|
692 | icc->type |= IRC_CC_TYPE_INVERT; |
---|
693 | s ++; |
---|
694 | } |
---|
695 | |
---|
696 | if( strcmp( s, "all" ) == 0 ) |
---|
697 | icc->type |= IRC_CC_TYPE_DEFAULT; |
---|
698 | else if( strcmp( s, "rest" ) == 0 ) |
---|
699 | icc->type |= IRC_CC_TYPE_REST; |
---|
700 | else if( strcmp( s, "group" ) == 0 ) |
---|
701 | icc->type |= IRC_CC_TYPE_GROUP; |
---|
702 | else if( strcmp( s, "account" ) == 0 ) |
---|
703 | icc->type |= IRC_CC_TYPE_ACCOUNT; |
---|
704 | else if( strcmp( s, "protocol" ) == 0 ) |
---|
705 | icc->type |= IRC_CC_TYPE_PROTOCOL; |
---|
706 | else |
---|
707 | return SET_INVALID; |
---|
708 | |
---|
709 | bee_irc_channel_update( ic->irc, ic, NULL ); |
---|
710 | return value; |
---|
711 | } |
---|
712 | |
---|
713 | static char *set_eval_by_group( set_t *set, char *value ) |
---|
714 | { |
---|
715 | struct irc_channel *ic = set->data; |
---|
716 | struct irc_control_channel *icc = ic->data; |
---|
717 | |
---|
718 | icc->group = bee_group_by_name( ic->irc->b, value, TRUE ); |
---|
719 | if( ( icc->type & IRC_CC_TYPE_MASK ) == IRC_CC_TYPE_GROUP ) |
---|
720 | bee_irc_channel_update( ic->irc, ic, NULL ); |
---|
721 | |
---|
722 | return g_strdup( icc->group->name ); |
---|
723 | } |
---|
724 | |
---|
725 | static char *set_eval_by_protocol( set_t *set, char *value ) |
---|
726 | { |
---|
727 | struct irc_channel *ic = set->data; |
---|
728 | struct irc_control_channel *icc = ic->data; |
---|
729 | struct prpl *prpl; |
---|
730 | |
---|
731 | if( !( prpl = find_protocol( value ) ) ) |
---|
732 | return SET_INVALID; |
---|
733 | |
---|
734 | icc->protocol = prpl; |
---|
735 | if( ( icc->type & IRC_CC_TYPE_MASK ) == IRC_CC_TYPE_PROTOCOL ) |
---|
736 | bee_irc_channel_update( ic->irc, ic, NULL ); |
---|
737 | |
---|
738 | return value; |
---|
739 | } |
---|
740 | |
---|
741 | static char *set_eval_show_users( set_t *set, char *value ) |
---|
742 | { |
---|
743 | struct irc_channel *ic = set->data; |
---|
744 | struct irc_control_channel *icc = ic->data; |
---|
745 | char **parts = g_strsplit( value, ",", 0 ), **part; |
---|
746 | char modes[4]; |
---|
747 | |
---|
748 | memset( modes, 0, 4 ); |
---|
749 | for( part = parts; *part; part ++ ) |
---|
750 | { |
---|
751 | char last, modechar = IRC_CHANNEL_USER_NONE; |
---|
752 | |
---|
753 | if( **part == '\0' ) |
---|
754 | goto fail; |
---|
755 | |
---|
756 | last = (*part)[strlen(*part+1)]; |
---|
757 | if( last == '+' ) |
---|
758 | modechar = IRC_CHANNEL_USER_VOICE; |
---|
759 | else if( last == '%' ) |
---|
760 | modechar = IRC_CHANNEL_USER_HALFOP; |
---|
761 | else if( last == '@' ) |
---|
762 | modechar = IRC_CHANNEL_USER_OP; |
---|
763 | |
---|
764 | if( strncmp( *part, "offline", 7 ) == 0 ) |
---|
765 | modes[0] = modechar; |
---|
766 | else if( strncmp( *part, "away", 4 ) == 0 ) |
---|
767 | modes[1] = modechar; |
---|
768 | else if( strncmp( *part, "online", 6 ) == 0 ) |
---|
769 | modes[2] = modechar; |
---|
770 | else |
---|
771 | goto fail; |
---|
772 | } |
---|
773 | memcpy( icc->modes, modes, 4 ); |
---|
774 | bee_irc_channel_update( ic->irc, ic, NULL ); |
---|
775 | |
---|
776 | g_strfreev( parts ); |
---|
777 | return value; |
---|
778 | |
---|
779 | fail: |
---|
780 | g_strfreev( parts ); |
---|
781 | return SET_INVALID; |
---|
782 | } |
---|
783 | |
---|
784 | /* Figure out if a channel is supposed to have the user, assuming s/he is |
---|
785 | online or otherwise also selected by the show_users setting. Only works |
---|
786 | for control channels, but does *not* check if this channel is of that |
---|
787 | type. Beware! */ |
---|
788 | gboolean irc_channel_wants_user( irc_channel_t *ic, irc_user_t *iu ) |
---|
789 | { |
---|
790 | struct irc_control_channel *icc = ic->data; |
---|
791 | gboolean ret = FALSE; |
---|
792 | |
---|
793 | if( iu->bu == NULL ) |
---|
794 | return FALSE; |
---|
795 | |
---|
796 | switch( icc->type & IRC_CC_TYPE_MASK ) |
---|
797 | { |
---|
798 | case IRC_CC_TYPE_GROUP: |
---|
799 | ret = iu->bu->group == icc->group; |
---|
800 | break; |
---|
801 | case IRC_CC_TYPE_ACCOUNT: |
---|
802 | ret = iu->bu->ic->acc == icc->account; |
---|
803 | break; |
---|
804 | case IRC_CC_TYPE_PROTOCOL: |
---|
805 | ret = iu->bu->ic->acc->prpl == icc->protocol; |
---|
806 | break; |
---|
807 | case IRC_CC_TYPE_DEFAULT: |
---|
808 | default: |
---|
809 | ret = TRUE; |
---|
810 | break; |
---|
811 | } |
---|
812 | |
---|
813 | if( icc->type & IRC_CC_TYPE_INVERT ) |
---|
814 | ret = !ret; |
---|
815 | |
---|
816 | return ret; |
---|
817 | } |
---|
818 | |
---|
819 | static gboolean control_channel_free( irc_channel_t *ic ) |
---|
820 | { |
---|
821 | struct irc_control_channel *icc = ic->data; |
---|
822 | |
---|
823 | set_del( &ic->set, "account" ); |
---|
824 | set_del( &ic->set, "fill_by" ); |
---|
825 | set_del( &ic->set, "group" ); |
---|
826 | set_del( &ic->set, "protocol" ); |
---|
827 | set_del( &ic->set, "show_users" ); |
---|
828 | |
---|
829 | g_free( icc ); |
---|
830 | ic->data = NULL; |
---|
831 | |
---|
832 | /* For scripts that care. */ |
---|
833 | irc_channel_set_mode( ic, "-C" ); |
---|
834 | |
---|
835 | return TRUE; |
---|
836 | } |
---|
837 | |
---|
838 | static const struct irc_channel_funcs control_channel_funcs = { |
---|
839 | control_channel_privmsg, |
---|
840 | control_channel_join, |
---|
841 | NULL, |
---|
842 | NULL, |
---|
843 | control_channel_invite, |
---|
844 | |
---|
845 | control_channel_init, |
---|
846 | control_channel_free, |
---|
847 | }; |
---|