[4be8239] | 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 | /* 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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[2b8473c] | 28 | static char *set_eval_channel_type( set_t *set, char *value ); |
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[e54112f] | 29 | static gint irc_channel_user_cmp( gconstpointer a_, gconstpointer b_ ); |
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[280c56a] | 30 | static const struct irc_channel_funcs control_channel_funcs; |
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[5a75d15] | 31 | |
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| 32 | extern const struct irc_channel_funcs irc_channel_im_chat_funcs; |
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[280c56a] | 33 | |
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[4be8239] | 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 | |
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[9438323] | 38 | if( !irc_channel_name_ok( name ) || irc_channel_by_name( irc, name ) ) |
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[4be8239] | 39 | return NULL; |
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| 40 | |
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| 41 | ic = g_new0( irc_channel_t, 1 ); |
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| 42 | ic->irc = irc; |
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| 43 | ic->name = g_strdup( name ); |
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| 44 | strcpy( ic->mode, CMODE ); |
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| 45 | |
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| 46 | irc_channel_add_user( ic, irc->root ); |
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| 47 | |
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[36562b0] | 48 | irc->channels = g_slist_append( irc->channels, ic ); |
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[4be8239] | 49 | |
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[2b8473c] | 50 | set_add( &ic->set, "type", "control", set_eval_channel_type, ic ); |
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| 51 | |
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[eb37735] | 52 | if( name[0] == '&' ) |
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[2b8473c] | 53 | set_setstr( &ic->set, "type", "control" ); |
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[eb37735] | 54 | else /* if( name[0] == '#' ) */ |
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[2b8473c] | 55 | set_setstr( &ic->set, "type", "chat" ); |
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[9ac3ed1] | 56 | |
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[4be8239] | 57 | return ic; |
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| 58 | } |
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| 59 | |
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[b9e020a] | 60 | irc_channel_t *irc_channel_by_name( irc_t *irc, const char *name ) |
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| 61 | { |
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| 62 | GSList *l; |
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| 63 | |
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| 64 | for( l = irc->channels; l; l = l->next ) |
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| 65 | { |
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| 66 | irc_channel_t *ic = l->data; |
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| 67 | |
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[6b90431] | 68 | if( irc_channel_name_cmp( name, ic->name ) == 0 ) |
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[b9e020a] | 69 | return ic; |
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| 70 | } |
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| 71 | |
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| 72 | return NULL; |
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| 73 | } |
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| 74 | |
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[36562b0] | 75 | irc_channel_t *irc_channel_get( irc_t *irc, char *id ) |
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| 76 | { |
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| 77 | irc_channel_t *ic, *ret = NULL; |
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| 78 | GSList *l; |
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| 79 | int nr; |
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| 80 | |
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| 81 | if( sscanf( id, "%d", &nr ) == 1 && nr < 1000 ) |
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| 82 | { |
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| 83 | for( l = irc->channels; l; l = l->next ) |
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| 84 | { |
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| 85 | ic = l->data; |
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| 86 | if( ( nr-- ) == 0 ) |
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| 87 | return ic; |
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| 88 | } |
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| 89 | |
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| 90 | return NULL; |
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| 91 | } |
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| 92 | |
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| 93 | /* Exact match first: Partial match only sucks if there's a channel |
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| 94 | #aa and #aabb */ |
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| 95 | if( ( ret = irc_channel_by_name( irc, id ) ) ) |
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| 96 | return ret; |
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| 97 | |
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| 98 | for( l = irc->channels; l; l = l->next ) |
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| 99 | { |
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| 100 | ic = l->data; |
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| 101 | |
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| 102 | if( strstr( ic->name, id ) ) |
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| 103 | { |
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| 104 | /* Make sure it's a unique match. */ |
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| 105 | if( !ret ) |
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| 106 | ret = ic; |
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| 107 | else |
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| 108 | return NULL; |
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| 109 | } |
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| 110 | } |
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| 111 | |
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| 112 | return ret; |
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| 113 | } |
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| 114 | |
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[63a520b] | 115 | int irc_channel_free( irc_channel_t *ic ) |
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| 116 | { |
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| 117 | irc_t *irc = ic->irc; |
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| 118 | |
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| 119 | if( ic->flags & IRC_CHANNEL_JOINED ) |
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[18da20b] | 120 | irc_channel_del_user( ic, irc->user, FALSE, "Cleaning up channel" ); |
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[63a520b] | 121 | |
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[d7db346] | 122 | if( ic->f->_free ) |
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| 123 | ic->f->_free( ic ); |
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| 124 | |
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| 125 | while( ic->set ) |
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| 126 | set_del( &ic->set, ic->set->key ); |
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| 127 | |
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[63a520b] | 128 | irc->channels = g_slist_remove( irc->channels, ic ); |
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[e54112f] | 129 | while( ic->users ) |
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| 130 | { |
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| 131 | g_free( ic->users->data ); |
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| 132 | ic->users = g_slist_remove( ic->users, ic->users->data ); |
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| 133 | } |
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[63a520b] | 134 | |
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| 135 | g_free( ic->name ); |
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| 136 | g_free( ic->topic ); |
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[d7db346] | 137 | g_free( ic->topic_who ); |
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[63a520b] | 138 | g_free( ic ); |
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| 139 | |
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| 140 | return 1; |
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| 141 | } |
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| 142 | |
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[2b8473c] | 143 | static char *set_eval_channel_type( set_t *set, char *value ) |
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| 144 | { |
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| 145 | struct irc_channel *ic = set->data; |
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| 146 | const struct irc_channel_funcs *new; |
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| 147 | |
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| 148 | if( strcmp( value, "control" ) == 0 ) |
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| 149 | new = &control_channel_funcs; |
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| 150 | else if( strcmp( value, "chat" ) == 0 ) |
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[5a75d15] | 151 | new = &irc_channel_im_chat_funcs; |
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[2b8473c] | 152 | else |
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| 153 | return SET_INVALID; |
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| 154 | |
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| 155 | /* TODO: Return values. */ |
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| 156 | if( ic->f && ic->f->_free ) |
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| 157 | ic->f->_free( ic ); |
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| 158 | |
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| 159 | ic->f = new; |
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| 160 | |
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| 161 | if( ic->f && ic->f->_init ) |
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| 162 | ic->f->_init( ic ); |
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| 163 | |
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| 164 | return value; |
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| 165 | } |
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| 166 | |
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[4be8239] | 167 | int irc_channel_add_user( irc_channel_t *ic, irc_user_t *iu ) |
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| 168 | { |
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[e54112f] | 169 | irc_channel_user_t *icu; |
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| 170 | |
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[57c96f7] | 171 | if( irc_channel_has_user( ic, iu ) ) |
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[4be8239] | 172 | return 0; |
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| 173 | |
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[e54112f] | 174 | icu = g_new0( irc_channel_user_t, 1 ); |
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| 175 | icu->iu = iu; |
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| 176 | |
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| 177 | ic->users = g_slist_insert_sorted( ic->users, icu, irc_channel_user_cmp ); |
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[4be8239] | 178 | |
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[c5aefa4] | 179 | irc_channel_update_ops( ic, set_getstr( &ic->irc->b->set, "ops" ) ); |
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| 180 | |
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[4be8239] | 181 | if( iu == ic->irc->user || ic->flags & IRC_CHANNEL_JOINED ) |
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| 182 | { |
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| 183 | ic->flags |= IRC_CHANNEL_JOINED; |
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| 184 | irc_send_join( ic, iu ); |
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| 185 | } |
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| 186 | |
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| 187 | return 1; |
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| 188 | } |
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| 189 | |
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[18da20b] | 190 | int irc_channel_del_user( irc_channel_t *ic, irc_user_t *iu, gboolean silent, const char *msg ) |
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[4be8239] | 191 | { |
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[e54112f] | 192 | irc_channel_user_t *icu; |
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| 193 | |
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| 194 | if( !( icu = irc_channel_has_user( ic, iu ) ) ) |
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[4be8239] | 195 | return 0; |
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| 196 | |
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[e54112f] | 197 | ic->users = g_slist_remove( ic->users, icu ); |
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| 198 | g_free( icu ); |
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[4be8239] | 199 | |
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[18da20b] | 200 | if( ic->flags & IRC_CHANNEL_JOINED && !silent ) |
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| 201 | irc_send_part( ic, iu, msg ); |
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[4be8239] | 202 | |
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| 203 | if( iu == ic->irc->user ) |
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| 204 | ic->flags &= ~IRC_CHANNEL_JOINED; |
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| 205 | |
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| 206 | return 1; |
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| 207 | } |
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| 208 | |
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[e54112f] | 209 | irc_channel_user_t *irc_channel_has_user( irc_channel_t *ic, irc_user_t *iu ) |
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[0b5cc72] | 210 | { |
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[e54112f] | 211 | GSList *l; |
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| 212 | |
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| 213 | for( l = ic->users; l; l = l->next ) |
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| 214 | { |
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| 215 | irc_channel_user_t *icu = l->data; |
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| 216 | |
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| 217 | if( icu->iu == iu ) |
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| 218 | return icu; |
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| 219 | } |
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| 220 | |
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| 221 | return NULL; |
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[0b5cc72] | 222 | } |
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| 223 | |
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[83e92bf] | 224 | int irc_channel_set_topic( irc_channel_t *ic, const char *topic, const irc_user_t *iu ) |
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[4be8239] | 225 | { |
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| 226 | g_free( ic->topic ); |
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| 227 | ic->topic = g_strdup( topic ); |
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| 228 | |
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[83e92bf] | 229 | g_free( ic->topic_who ); |
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| 230 | if( iu ) |
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| 231 | ic->topic_who = g_strdup_printf( "%s!%s@%s", iu->nick, iu->user, iu->host ); |
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| 232 | else |
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| 233 | ic->topic_who = NULL; |
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| 234 | |
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| 235 | ic->topic_time = time( NULL ); |
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| 236 | |
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[4be8239] | 237 | if( ic->flags & IRC_CHANNEL_JOINED ) |
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[83e92bf] | 238 | irc_send_topic( ic, TRUE ); |
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[4be8239] | 239 | |
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| 240 | return 1; |
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| 241 | } |
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[b919363] | 242 | |
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[6a9d068] | 243 | void irc_channel_user_set_mode( irc_channel_t *ic, irc_user_t *iu, irc_channel_user_flags_t flags ) |
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| 244 | { |
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| 245 | irc_channel_user_t *icu = irc_channel_has_user( ic, iu ); |
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| 246 | |
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[c5aefa4] | 247 | if( !icu || icu->flags == flags ) |
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[6a9d068] | 248 | return; |
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| 249 | |
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| 250 | if( ic->flags & IRC_CHANNEL_JOINED ) |
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| 251 | irc_send_channel_user_mode_diff( ic, iu, icu->flags, flags ); |
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| 252 | |
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| 253 | icu->flags = flags; |
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| 254 | } |
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| 255 | |
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[9893da3] | 256 | void irc_channel_printf( irc_channel_t *ic, char *format, ... ) |
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| 257 | { |
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| 258 | va_list params; |
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| 259 | char *text; |
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| 260 | |
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| 261 | va_start( params, format ); |
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| 262 | text = g_strdup_vprintf( format, params ); |
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| 263 | va_end( params ); |
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| 264 | |
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| 265 | irc_send_msg( ic->irc->root, "PRIVMSG", ic->name, text, NULL ); |
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| 266 | g_free( text ); |
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| 267 | } |
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| 268 | |
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[6b90431] | 269 | gboolean irc_channel_name_ok( const char *name_ ) |
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[b919363] | 270 | { |
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[6b90431] | 271 | const unsigned char *name = (unsigned char*) name_; |
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| 272 | int i; |
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[4c17d19] | 273 | |
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| 274 | /* Check if the first character is in CTYPES (#&) */ |
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[6b90431] | 275 | if( strchr( CTYPES, name_[0] ) == NULL ) |
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[4c17d19] | 276 | return FALSE; |
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| 277 | |
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[6b90431] | 278 | /* RFC 1459 keeps amazing me: While only a "few" chars are allowed |
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| 279 | in nicknames, channel names can be pretty much anything as long |
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| 280 | as they start with # or &. I'll be a little bit more strict and |
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| 281 | disallow all non-printable characters. */ |
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| 282 | for( i = 1; name[i]; i ++ ) |
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| 283 | if( name[i] <= ' ' || name[i] == ',' ) |
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| 284 | return FALSE; |
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| 285 | |
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| 286 | return TRUE; |
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| 287 | } |
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| 288 | |
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| 289 | int irc_channel_name_cmp( const char *a_, const char *b_ ) |
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| 290 | { |
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| 291 | static unsigned char case_map[256]; |
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| 292 | const unsigned char *a = (unsigned char*) a_, *b = (unsigned char*) b_; |
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| 293 | int i; |
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| 294 | |
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| 295 | if( case_map['A'] == '\0' ) |
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| 296 | { |
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| 297 | for( i = 33; i < 256; i ++ ) |
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| 298 | if( i != ',' ) |
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| 299 | case_map[i] = i; |
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| 300 | |
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| 301 | for( i = 0; i < 26; i ++ ) |
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| 302 | case_map['A'+i] = 'a' + i; |
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| 303 | |
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| 304 | case_map['['] = '{'; |
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| 305 | case_map[']'] = '}'; |
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| 306 | case_map['~'] = '`'; |
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| 307 | case_map['\\'] = '|'; |
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| 308 | } |
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| 309 | |
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| 310 | if( !irc_channel_name_ok( a_ ) || !irc_channel_name_ok( b_ ) ) |
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| 311 | return -1; |
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| 312 | |
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| 313 | for( i = 0; a[i] && b[i] && case_map[a[i]] && case_map[b[i]]; i ++ ) |
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| 314 | { |
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| 315 | if( case_map[a[i]] == case_map[b[i]] ) |
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| 316 | continue; |
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| 317 | else |
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| 318 | return case_map[a[i]] - case_map[b[i]]; |
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| 319 | } |
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| 320 | |
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| 321 | return case_map[a[i]] - case_map[b[i]]; |
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[b919363] | 322 | } |
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[280c56a] | 323 | |
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[e54112f] | 324 | static gint irc_channel_user_cmp( gconstpointer a_, gconstpointer b_ ) |
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| 325 | { |
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| 326 | const irc_channel_user_t *a = a_, *b = b_; |
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| 327 | |
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| 328 | return irc_user_cmp( a->iu, b->iu ); |
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| 329 | } |
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| 330 | |
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[c5aefa4] | 331 | void irc_channel_update_ops( irc_channel_t *ic, char *value ) |
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| 332 | { |
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| 333 | irc_channel_user_set_mode( ic, ic->irc->root, |
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| 334 | ( strcmp( value, "both" ) == 0 || |
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| 335 | strcmp( value, "root" ) == 0 ) ? IRC_CHANNEL_USER_OP : 0 ); |
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| 336 | irc_channel_user_set_mode( ic, ic->irc->user, |
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| 337 | ( strcmp( value, "both" ) == 0 || |
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| 338 | strcmp( value, "user" ) == 0 ) ? IRC_CHANNEL_USER_OP : 0 ); |
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| 339 | } |
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| 340 | |
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| 341 | char *set_eval_irc_channel_ops( set_t *set, char *value ) |
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| 342 | { |
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| 343 | irc_t *irc = set->data; |
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| 344 | GSList *l; |
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| 345 | |
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| 346 | if( strcmp( value, "both" ) != 0 && strcmp( value, "none" ) != 0 && |
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| 347 | strcmp( value, "user" ) != 0 && strcmp( value, "root" ) != 0 ) |
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| 348 | return SET_INVALID; |
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| 349 | |
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| 350 | for( l = irc->channels; l; l = l->next ) |
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| 351 | irc_channel_update_ops( l->data, value ); |
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| 352 | |
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| 353 | return value; |
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| 354 | } |
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| 355 | |
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[280c56a] | 356 | /* Channel-type dependent functions, for control channels: */ |
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| 357 | static gboolean control_channel_privmsg( irc_channel_t *ic, const char *msg ) |
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| 358 | { |
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[bce78c8] | 359 | irc_t *irc = ic->irc; |
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| 360 | const char *s; |
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[fb117aee] | 361 | |
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[bce78c8] | 362 | /* Scan for non-whitespace chars followed by a colon: */ |
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[b0364dc] | 363 | for( s = msg; *s && !isspace( *s ) && *s != ':' && *s != ','; s ++ ) {} |
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[74f1cde] | 364 | |
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[b0364dc] | 365 | if( *s == ':' || *s == ',' ) |
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[bce78c8] | 366 | { |
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| 367 | char to[s-msg+1]; |
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| 368 | irc_user_t *iu; |
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| 369 | |
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[1a3ba05] | 370 | memset( to, 0, sizeof( to ) ); |
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[bce78c8] | 371 | strncpy( to, msg, s - msg ); |
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| 372 | while( *(++s) && isspace( *s ) ) {} |
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| 373 | |
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| 374 | iu = irc_user_by_name( irc, to ); |
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| 375 | if( iu && iu->f->privmsg ) |
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| 376 | { |
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[92c8d41] | 377 | iu->last_channel = ic; |
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[bce78c8] | 378 | iu->f->privmsg( iu, s ); |
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| 379 | } |
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[1a3ba05] | 380 | else |
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| 381 | { |
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[9893da3] | 382 | irc_channel_printf( ic, "User does not exist: %s", to ); |
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[1a3ba05] | 383 | } |
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[bce78c8] | 384 | } |
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| 385 | else |
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| 386 | { |
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| 387 | /* TODO: Maybe just use root->privmsg here now? */ |
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| 388 | char cmd[strlen(msg)+1]; |
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| 389 | |
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| 390 | g_free( ic->irc->last_root_cmd ); |
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| 391 | ic->irc->last_root_cmd = g_strdup( ic->name ); |
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| 392 | |
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| 393 | strcpy( cmd, msg ); |
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| 394 | root_command_string( ic->irc, cmd ); |
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| 395 | } |
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[280c56a] | 396 | |
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| 397 | return TRUE; |
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| 398 | } |
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| 399 | |
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[46d215d] | 400 | static gboolean control_channel_invite( irc_channel_t *ic, irc_user_t *iu ) |
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| 401 | { |
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| 402 | struct irc_control_channel *icc = ic->data; |
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| 403 | bee_user_t *bu = iu->bu; |
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| 404 | |
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| 405 | if( bu == NULL ) |
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| 406 | return FALSE; |
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| 407 | |
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| 408 | if( icc->type != IRC_CC_TYPE_GROUP ) |
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| 409 | { |
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| 410 | irc_send_num( ic->irc, 482, "%s :Invitations are only possible to fill_by=group channels", ic->name ); |
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| 411 | return FALSE; |
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| 412 | } |
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| 413 | |
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| 414 | bu->ic->acc->prpl->add_buddy( bu->ic, bu->handle, |
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| 415 | icc->group ? icc->group->name : NULL ); |
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| 416 | |
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| 417 | return TRUE; |
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| 418 | } |
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| 419 | |
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[2b8473c] | 420 | static char *set_eval_by_account( set_t *set, char *value ); |
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| 421 | static char *set_eval_fill_by( set_t *set, char *value ); |
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| 422 | static char *set_eval_by_group( set_t *set, char *value ); |
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| 423 | |
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[9ac3ed1] | 424 | static gboolean control_channel_init( irc_channel_t *ic ) |
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| 425 | { |
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| 426 | struct irc_control_channel *icc; |
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| 427 | |
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[2b8473c] | 428 | set_add( &ic->set, "account", NULL, set_eval_by_account, ic ); |
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| 429 | set_add( &ic->set, "fill_by", "all", set_eval_fill_by, ic ); |
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| 430 | set_add( &ic->set, "group", NULL, set_eval_by_group, ic ); |
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| 431 | |
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[9ac3ed1] | 432 | ic->data = icc = g_new0( struct irc_control_channel, 1 ); |
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| 433 | icc->type = IRC_CC_TYPE_DEFAULT; |
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| 434 | |
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[2b8473c] | 435 | if( bee_group_by_name( ic->irc->b, ic->name + 1, FALSE ) ) |
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| 436 | { |
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| 437 | set_setstr( &ic->set, "group", ic->name + 1 ); |
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| 438 | set_setstr( &ic->set, "fill_by", "group" ); |
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| 439 | } |
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| 440 | else if( set_setstr( &ic->set, "account", ic->name + 1 ) ) |
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| 441 | { |
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| 442 | set_setstr( &ic->set, "fill_by", "account" ); |
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| 443 | } |
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[cf1a979] | 444 | else |
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| 445 | { |
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| 446 | bee_irc_channel_update( ic->irc, ic, NULL ); |
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| 447 | } |
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[2b8473c] | 448 | |
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| 449 | return TRUE; |
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| 450 | } |
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| 451 | |
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| 452 | static char *set_eval_by_account( set_t *set, char *value ) |
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| 453 | { |
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| 454 | struct irc_channel *ic = set->data; |
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| 455 | struct irc_control_channel *icc = ic->data; |
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| 456 | account_t *acc; |
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| 457 | |
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| 458 | if( !( acc = account_get( ic->irc->b, value ) ) ) |
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| 459 | return SET_INVALID; |
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| 460 | |
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| 461 | icc->account = acc; |
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[cf1a979] | 462 | if( icc->type == IRC_CC_TYPE_ACCOUNT ) |
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| 463 | bee_irc_channel_update( ic->irc, ic, NULL ); |
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[2b8473c] | 464 | return g_strdup_printf( "%s(%s)", acc->prpl->name, acc->user ); |
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| 465 | } |
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| 466 | |
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| 467 | static char *set_eval_fill_by( set_t *set, char *value ) |
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| 468 | { |
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| 469 | struct irc_channel *ic = set->data; |
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| 470 | struct irc_control_channel *icc = ic->data; |
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| 471 | |
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| 472 | if( strcmp( value, "all" ) == 0 ) |
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| 473 | icc->type = IRC_CC_TYPE_DEFAULT; |
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| 474 | else if( strcmp( value, "rest" ) == 0 ) |
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| 475 | icc->type = IRC_CC_TYPE_REST; |
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| 476 | else if( strcmp( value, "group" ) == 0 ) |
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[13c1a9f] | 477 | icc->type = IRC_CC_TYPE_GROUP; |
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[2b8473c] | 478 | else if( strcmp( value, "account" ) == 0 ) |
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[a067771] | 479 | icc->type = IRC_CC_TYPE_ACCOUNT; |
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[2b8473c] | 480 | else |
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| 481 | return SET_INVALID; |
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| 482 | |
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[cf1a979] | 483 | bee_irc_channel_update( ic->irc, ic, NULL ); |
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[2b8473c] | 484 | return value; |
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| 485 | } |
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| 486 | |
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| 487 | static char *set_eval_by_group( set_t *set, char *value ) |
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| 488 | { |
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| 489 | struct irc_channel *ic = set->data; |
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| 490 | struct irc_control_channel *icc = ic->data; |
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[13c1a9f] | 491 | |
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[2b8473c] | 492 | icc->group = bee_group_by_name( ic->irc->b, value, TRUE ); |
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[cf1a979] | 493 | if( icc->type == IRC_CC_TYPE_GROUP ) |
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| 494 | bee_irc_channel_update( ic->irc, ic, NULL ); |
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[2b8473c] | 495 | return g_strdup( icc->group->name ); |
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| 496 | } |
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| 497 | |
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| 498 | static gboolean control_channel_free( irc_channel_t *ic ) |
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| 499 | { |
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| 500 | struct irc_control_channel *icc = ic->data; |
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| 501 | |
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| 502 | set_del( &ic->set, "account" ); |
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| 503 | set_del( &ic->set, "fill_by" ); |
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| 504 | set_del( &ic->set, "group" ); |
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| 505 | |
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| 506 | g_free( icc ); |
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| 507 | ic->data = NULL; |
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[13c1a9f] | 508 | |
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[9ac3ed1] | 509 | return TRUE; |
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| 510 | } |
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| 511 | |
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[280c56a] | 512 | static const struct irc_channel_funcs control_channel_funcs = { |
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| 513 | control_channel_privmsg, |
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[9ac3ed1] | 514 | NULL, |
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| 515 | NULL, |
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| 516 | NULL, |
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[46d215d] | 517 | control_channel_invite, |
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[9ac3ed1] | 518 | |
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| 519 | control_channel_init, |
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[2b8473c] | 520 | control_channel_free, |
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[280c56a] | 521 | }; |
---|