[b7d3cc34] | 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 2002-2004 Wilmer van der Gaast and others * |
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| 5 | \********************************************************************/ |
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| 6 | |
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[3ddb7477] | 7 | /* The IRC-based UI (for now the only one) */ |
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[b7d3cc34] | 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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[fb117aee] | 27 | #include "ipc.h" |
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[2ff2076] | 28 | #include "dcc.h" |
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[b7d3cc34] | 29 | |
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[3ddb7477] | 30 | GSList *irc_connection_list; |
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[b7d3cc34] | 31 | |
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[3923003] | 32 | static gboolean irc_userping( gpointer _irc, gint fd, b_input_condition cond ); |
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[3ddb7477] | 33 | static char *set_eval_charset( set_t *set, char *value ); |
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[0d9d53e] | 34 | static char *set_eval_password( set_t *set, char *value ); |
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[58adb7e] | 35 | |
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[b7d3cc34] | 36 | irc_t *irc_new( int fd ) |
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| 37 | { |
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[e4d6271] | 38 | irc_t *irc; |
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[e9b755e] | 39 | struct sockaddr_storage sock; |
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[7435ccf] | 40 | socklen_t socklen = sizeof( sock ); |
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[3ddb7477] | 41 | char *host = NULL, *myhost = NULL; |
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| 42 | irc_user_t *iu; |
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[7125cb3] | 43 | set_t *s; |
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[3ddb7477] | 44 | bee_t *b; |
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[e4d6271] | 45 | |
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| 46 | irc = g_new0( irc_t, 1 ); |
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[b7d3cc34] | 47 | |
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| 48 | irc->fd = fd; |
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[a0d04d6] | 49 | sock_make_nonblocking( irc->fd ); |
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| 50 | |
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[e046390] | 51 | irc->r_watch_source_id = b_input_add( irc->fd, B_EV_IO_READ, bitlbee_io_current_client_read, irc ); |
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[b7d3cc34] | 52 | |
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| 53 | irc->status = USTATUS_OFFLINE; |
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| 54 | irc->last_pong = gettime(); |
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| 55 | |
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[3ddb7477] | 56 | irc->nick_user_hash = g_hash_table_new( g_str_hash, g_str_equal ); |
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[b7d3cc34] | 57 | irc->watches = g_hash_table_new( g_str_hash, g_str_equal ); |
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| 58 | |
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[f9756bd] | 59 | irc->iconv = (GIConv) -1; |
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| 60 | irc->oconv = (GIConv) -1; |
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| 61 | |
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[b7d3cc34] | 62 | if( global.conf->hostname ) |
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| 63 | { |
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[3ddb7477] | 64 | myhost = g_strdup( global.conf->hostname ); |
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[b7d3cc34] | 65 | } |
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[7435ccf] | 66 | else if( getsockname( irc->fd, (struct sockaddr*) &sock, &socklen ) == 0 ) |
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[b7d3cc34] | 67 | { |
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[2231302] | 68 | char buf[NI_MAXHOST+1]; |
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[e9b755e] | 69 | |
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[2231302] | 70 | if( getnameinfo( (struct sockaddr *) &sock, socklen, buf, |
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[c84e31a] | 71 | NI_MAXHOST, NULL, 0, 0 ) == 0 ) |
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[2231302] | 72 | { |
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[3ddb7477] | 73 | myhost = g_strdup( ipv6_unwrap( buf ) ); |
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[2231302] | 74 | } |
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[b7d3cc34] | 75 | } |
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| 76 | |
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[7435ccf] | 77 | if( getpeername( irc->fd, (struct sockaddr*) &sock, &socklen ) == 0 ) |
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[b7d3cc34] | 78 | { |
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[2231302] | 79 | char buf[NI_MAXHOST+1]; |
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[e9b755e] | 80 | |
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[2231302] | 81 | if( getnameinfo( (struct sockaddr *)&sock, socklen, buf, |
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[c84e31a] | 82 | NI_MAXHOST, NULL, 0, 0 ) == 0 ) |
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[2231302] | 83 | { |
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[3ddb7477] | 84 | host = g_strdup( ipv6_unwrap( buf ) ); |
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[2231302] | 85 | } |
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[b7d3cc34] | 86 | } |
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| 87 | |
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[3ddb7477] | 88 | if( host == NULL ) |
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| 89 | host = g_strdup( "localhost.localdomain" ); |
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| 90 | if( myhost == NULL ) |
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| 91 | myhost = g_strdup( "localhost.localdomain" ); |
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[3e1e11af] | 92 | |
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[3923003] | 93 | if( global.conf->ping_interval > 0 && global.conf->ping_timeout > 0 ) |
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| 94 | irc->ping_source_id = b_timeout_add( global.conf->ping_interval * 1000, irc_userping, irc ); |
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[b7d3cc34] | 95 | |
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| 96 | irc_connection_list = g_slist_append( irc_connection_list, irc ); |
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| 97 | |
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[3ddb7477] | 98 | b = irc->b = bee_new(); |
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[d860a8d] | 99 | b->ui_data = irc; |
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| 100 | b->ui = &irc_ui_funcs; |
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[3ddb7477] | 101 | |
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[0e8b3e8] | 102 | s = set_add( &b->set, "away_devoice", "true", set_eval_away_devoice, irc ); |
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[1c8e5f7] | 103 | s = set_add( &b->set, "away_reply_timeout", "3600", set_eval_int, irc ); |
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[3ddb7477] | 104 | s = set_add( &b->set, "charset", "utf-8", set_eval_charset, irc ); |
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| 105 | s = set_add( &b->set, "default_target", "root", NULL, irc ); |
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| 106 | s = set_add( &b->set, "display_namechanges", "false", set_eval_bool, irc ); |
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[21c87a7] | 107 | s = set_add( &b->set, "display_timestamps", "true", set_eval_bool, irc ); |
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[16834a5] | 108 | s = set_add( &b->set, "handle_unknown", "add_channel", NULL, irc ); |
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[3ddb7477] | 109 | s = set_add( &b->set, "lcnicks", "true", set_eval_bool, irc ); |
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[0bd948e] | 110 | s = set_add( &b->set, "offline_user_quits", "true", set_eval_bool, irc ); |
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[c5aefa4] | 111 | s = set_add( &b->set, "ops", "both", set_eval_irc_channel_ops, irc ); |
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[88eaf4b] | 112 | s = set_add( &b->set, "paste_buffer", "false", set_eval_bool, irc ); |
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| 113 | s->old_key = g_strdup( "buddy_sendbuffer" ); |
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| 114 | s = set_add( &b->set, "paste_buffer_delay", "200", set_eval_int, irc ); |
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| 115 | s->old_key = g_strdup( "buddy_sendbuffer_delay" ); |
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[0d9d53e] | 116 | s = set_add( &b->set, "password", NULL, set_eval_password, irc ); |
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| 117 | s->flags |= SET_NULL_OK; |
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[3ddb7477] | 118 | s = set_add( &b->set, "private", "true", set_eval_bool, irc ); |
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| 119 | s = set_add( &b->set, "query_order", "lifo", NULL, irc ); |
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[0a6e5d1] | 120 | s = set_add( &b->set, "root_nick", ROOT_NICK, set_eval_root_nick, irc ); |
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[3ddb7477] | 121 | s = set_add( &b->set, "simulate_netsplit", "true", set_eval_bool, irc ); |
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[21c87a7] | 122 | s = set_add( &b->set, "timezone", "local", set_eval_timezone, irc ); |
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[3ddb7477] | 123 | s = set_add( &b->set, "to_char", ": ", set_eval_to_char, irc ); |
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| 124 | s = set_add( &b->set, "typing_notice", "false", set_eval_bool, irc ); |
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| 125 | |
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| 126 | irc->root = iu = irc_user_new( irc, ROOT_NICK ); |
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| 127 | iu->host = g_strdup( myhost ); |
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| 128 | iu->fullname = g_strdup( ROOT_FN ); |
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[280c56a] | 129 | iu->f = &irc_user_root_funcs; |
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[3ddb7477] | 130 | |
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| 131 | iu = irc_user_new( irc, NS_NICK ); |
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| 132 | iu->host = g_strdup( myhost ); |
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| 133 | iu->fullname = g_strdup( ROOT_FN ); |
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[280c56a] | 134 | iu->f = &irc_user_root_funcs; |
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[3ddb7477] | 135 | |
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| 136 | irc->user = g_new0( irc_user_t, 1 ); |
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| 137 | irc->user->host = g_strdup( host ); |
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| 138 | |
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[ebaebfe] | 139 | conf_loaddefaults( irc ); |
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[b7d3cc34] | 140 | |
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[f9756bd] | 141 | /* Evaluator sets the iconv/oconv structures. */ |
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[3ddb7477] | 142 | set_eval_charset( set_find( &b->set, "charset" ), set_getstr( &b->set, "charset" ) ); |
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[f9756bd] | 143 | |
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[3ddb7477] | 144 | irc_write( irc, ":%s NOTICE AUTH :%s", irc->root->host, "BitlBee-IRCd initialized, please go on" ); |
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| 145 | |
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[ebaebfe] | 146 | g_free( myhost ); |
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| 147 | g_free( host ); |
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| 148 | |
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[5674207] | 149 | nogaim_init(); |
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| 150 | |
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[3ddb7477] | 151 | return irc; |
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[b7d3cc34] | 152 | } |
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| 153 | |
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[f73b969] | 154 | /* immed=1 makes this function pretty much equal to irc_free(), except that |
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| 155 | this one will "log". In case the connection is already broken and we |
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| 156 | shouldn't try to write to it. */ |
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[fc50d48] | 157 | void irc_abort( irc_t *irc, int immed, char *format, ... ) |
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[c1826c6] | 158 | { |
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[fc50d48] | 159 | if( format != NULL ) |
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| 160 | { |
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[f73b969] | 161 | va_list params; |
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[fc50d48] | 162 | char *reason; |
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| 163 | |
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| 164 | va_start( params, format ); |
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[f73b969] | 165 | reason = g_strdup_vprintf( format, params ); |
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[fc50d48] | 166 | va_end( params ); |
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| 167 | |
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| 168 | if( !immed ) |
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| 169 | irc_write( irc, "ERROR :Closing link: %s", reason ); |
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| 170 | |
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| 171 | ipc_to_master_str( "OPERMSG :Client exiting: %s@%s [%s]\r\n", |
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[95c3ea9] | 172 | irc->user->nick ? irc->user->nick : "(NONE)", irc->user->host, reason ); |
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[fc50d48] | 173 | |
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| 174 | g_free( reason ); |
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| 175 | } |
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| 176 | else |
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| 177 | { |
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| 178 | if( !immed ) |
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| 179 | irc_write( irc, "ERROR :Closing link" ); |
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| 180 | |
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| 181 | ipc_to_master_str( "OPERMSG :Client exiting: %s@%s [%s]\r\n", |
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[95c3ea9] | 182 | irc->user->nick ? irc->user->nick : "(NONE)", irc->user->host, "No reason given" ); |
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[fc50d48] | 183 | } |
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| 184 | |
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[79e826a] | 185 | irc->status |= USTATUS_SHUTDOWN; |
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[fc50d48] | 186 | if( irc->sendbuffer && !immed ) |
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[c1826c6] | 187 | { |
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[883a398] | 188 | /* Set up a timeout event that should shut down the connection |
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| 189 | in a second, just in case ..._write doesn't do it first. */ |
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[fc50d48] | 190 | |
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[ba9edaa] | 191 | b_event_remove( irc->r_watch_source_id ); |
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[883a398] | 192 | irc->r_watch_source_id = 0; |
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| 193 | |
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| 194 | b_event_remove( irc->ping_source_id ); |
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| 195 | irc->ping_source_id = b_timeout_add( 1000, (b_event_handler) irc_free, irc ); |
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[c1826c6] | 196 | } |
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| 197 | else |
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| 198 | { |
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| 199 | irc_free( irc ); |
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| 200 | } |
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| 201 | } |
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| 202 | |
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[3ddb7477] | 203 | static gboolean irc_free_hashkey( gpointer key, gpointer value, gpointer data ); |
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[b7d3cc34] | 204 | |
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[fa75134] | 205 | void irc_free( irc_t * irc ) |
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[b7d3cc34] | 206 | { |
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| 207 | log_message( LOGLVL_INFO, "Destroying connection with fd %d", irc->fd ); |
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| 208 | |
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[3ddb7477] | 209 | if( irc->status & USTATUS_IDENTIFIED && set_getbool( &irc->b->set, "save_on_quit" ) ) |
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[3183c21] | 210 | if( storage_save( irc, NULL, TRUE ) != STORAGE_OK ) |
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[d33679e] | 211 | log_message( LOGLVL_WARNING, "Error while saving settings for user %s", irc->user->nick ); |
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[b7d3cc34] | 212 | |
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| 213 | irc_connection_list = g_slist_remove( irc_connection_list, irc ); |
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| 214 | |
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[fa75134] | 215 | while( irc->queries != NULL ) |
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| 216 | query_del( irc, irc->queries ); |
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[d33679e] | 217 | |
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| 218 | /* This is a little bit messy: bee_free() frees all b->users which |
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| 219 | calls us back to free the corresponding irc->users. So do this |
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| 220 | before we clear the remaining ones ourselves. */ |
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| 221 | bee_free( irc->b ); |
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[5b52a48] | 222 | |
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[3ddb7477] | 223 | while( irc->users ) |
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[eabc9d2] | 224 | irc_user_free( irc, (irc_user_t *) irc->users->data ); |
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[b7d3cc34] | 225 | |
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[63a520b] | 226 | while( irc->channels ) |
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| 227 | irc_channel_free( irc->channels->data ); |
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| 228 | |
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[fa75134] | 229 | if( irc->ping_source_id > 0 ) |
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| 230 | b_event_remove( irc->ping_source_id ); |
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[883a398] | 231 | if( irc->r_watch_source_id > 0 ) |
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| 232 | b_event_remove( irc->r_watch_source_id ); |
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[fa75134] | 233 | if( irc->w_watch_source_id > 0 ) |
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| 234 | b_event_remove( irc->w_watch_source_id ); |
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| 235 | |
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| 236 | closesocket( irc->fd ); |
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| 237 | irc->fd = -1; |
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| 238 | |
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[3ddb7477] | 239 | g_hash_table_foreach_remove( irc->nick_user_hash, irc_free_hashkey, NULL ); |
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| 240 | g_hash_table_destroy( irc->nick_user_hash ); |
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[b7d3cc34] | 241 | |
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[fa75134] | 242 | g_hash_table_foreach_remove( irc->watches, irc_free_hashkey, NULL ); |
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| 243 | g_hash_table_destroy( irc->watches ); |
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[b7d3cc34] | 244 | |
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[f9756bd] | 245 | if( irc->iconv != (GIConv) -1 ) |
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| 246 | g_iconv_close( irc->iconv ); |
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| 247 | if( irc->oconv != (GIConv) -1 ) |
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| 248 | g_iconv_close( irc->oconv ); |
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| 249 | |
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[fa75134] | 250 | g_free( irc->sendbuffer ); |
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| 251 | g_free( irc->readbuffer ); |
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| 252 | g_free( irc->password ); |
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[eaaa986] | 253 | g_free( irc->last_root_cmd ); |
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[fa75134] | 254 | |
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| 255 | g_free( irc ); |
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[b7d3cc34] | 256 | |
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[565a1ea] | 257 | if( global.conf->runmode == RUNMODE_INETD || |
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| 258 | global.conf->runmode == RUNMODE_FORKDAEMON || |
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| 259 | ( global.conf->runmode == RUNMODE_DAEMON && |
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| 260 | global.listen_socket == -1 && |
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| 261 | irc_connection_list == NULL ) ) |
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[ba9edaa] | 262 | b_main_quit(); |
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[b7d3cc34] | 263 | } |
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| 264 | |
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[3ddb7477] | 265 | static gboolean irc_free_hashkey( gpointer key, gpointer value, gpointer data ) |
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[7cad7b4] | 266 | { |
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[3ddb7477] | 267 | g_free( key ); |
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[7cad7b4] | 268 | |
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[3ddb7477] | 269 | return( TRUE ); |
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[7cad7b4] | 270 | } |
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| 271 | |
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[1f92a58] | 272 | /* USE WITH CAUTION! |
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| 273 | Sets pass without checking */ |
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| 274 | void irc_setpass (irc_t *irc, const char *pass) |
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| 275 | { |
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| 276 | g_free (irc->password); |
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| 277 | |
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| 278 | if (pass) { |
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| 279 | irc->password = g_strdup (pass); |
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| 280 | } else { |
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| 281 | irc->password = NULL; |
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| 282 | } |
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| 283 | } |
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| 284 | |
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[0d9d53e] | 285 | static char *set_eval_password( set_t *set, char *value ) |
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| 286 | { |
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| 287 | irc_t *irc = set->data; |
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| 288 | |
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| 289 | if( irc->status & USTATUS_IDENTIFIED && value ) |
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| 290 | { |
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| 291 | irc_setpass( irc, value ); |
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| 292 | return NULL; |
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| 293 | } |
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| 294 | else |
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| 295 | { |
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| 296 | return SET_INVALID; |
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| 297 | } |
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| 298 | } |
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| 299 | |
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[3ddb7477] | 300 | static char **irc_splitlines( char *buffer ); |
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| 301 | |
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[f73b969] | 302 | void irc_process( irc_t *irc ) |
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[b7d3cc34] | 303 | { |
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[f9756bd] | 304 | char **lines, *temp, **cmd; |
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[b7d3cc34] | 305 | int i; |
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| 306 | |
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[de3e100] | 307 | if( irc->readbuffer != NULL ) |
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| 308 | { |
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[3ddb7477] | 309 | lines = irc_splitlines( irc->readbuffer ); |
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[de3e100] | 310 | |
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| 311 | for( i = 0; *lines[i] != '\0'; i ++ ) |
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| 312 | { |
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[f9756bd] | 313 | char *conv = NULL; |
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[7d31002] | 314 | |
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[18ff38f] | 315 | /* [WvG] If the last line isn't empty, it's an incomplete line and we |
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| 316 | should wait for the rest to come in before processing it. */ |
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[de3e100] | 317 | if( lines[i+1] == NULL ) |
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| 318 | { |
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[b7d3cc34] | 319 | temp = g_strdup( lines[i] ); |
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| 320 | g_free( irc->readbuffer ); |
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| 321 | irc->readbuffer = temp; |
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[de3e100] | 322 | i ++; |
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[b7d3cc34] | 323 | break; |
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[e27661d] | 324 | } |
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| 325 | |
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[f9756bd] | 326 | if( irc->iconv != (GIConv) -1 ) |
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[e27661d] | 327 | { |
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[f9756bd] | 328 | gsize bytes_read, bytes_written; |
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| 329 | |
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| 330 | conv = g_convert_with_iconv( lines[i], -1, irc->iconv, |
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| 331 | &bytes_read, &bytes_written, NULL ); |
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| 332 | |
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| 333 | if( conv == NULL || bytes_read != strlen( lines[i] ) ) |
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[94d52d64] | 334 | { |
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[fc0cf92] | 335 | /* GLib can do strange things if things are not in the expected charset, |
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| 336 | so let's be a little bit paranoid here: */ |
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[94d52d64] | 337 | if( irc->status & USTATUS_LOGGED_IN ) |
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[fc0cf92] | 338 | { |
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[43462708] | 339 | irc_usermsg( irc, "Error: Charset mismatch detected. The charset " |
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[94d52d64] | 340 | "setting is currently set to %s, so please make " |
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| 341 | "sure your IRC client will send and accept text in " |
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| 342 | "that charset, or tell BitlBee which charset to " |
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| 343 | "expect by changing the charset setting. See " |
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| 344 | "`help set charset' for more information. Your " |
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[f9756bd] | 345 | "message was ignored.", |
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[3ddb7477] | 346 | set_getstr( &irc->b->set, "charset" ) ); |
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[f9756bd] | 347 | |
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| 348 | g_free( conv ); |
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| 349 | conv = NULL; |
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[fc0cf92] | 350 | } |
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| 351 | else |
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| 352 | { |
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[3ddb7477] | 353 | irc_write( irc, ":%s NOTICE AUTH :%s", irc->root->host, |
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[a83442a] | 354 | "Warning: invalid characters received at login time." ); |
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[fc0cf92] | 355 | |
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[f9756bd] | 356 | conv = g_strdup( lines[i] ); |
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[fc0cf92] | 357 | for( temp = conv; *temp; temp ++ ) |
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| 358 | if( *temp & 0x80 ) |
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| 359 | *temp = '?'; |
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| 360 | } |
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[94d52d64] | 361 | } |
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| 362 | lines[i] = conv; |
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[e27661d] | 363 | } |
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[de3e100] | 364 | |
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[e1720ce] | 365 | if( lines[i] && ( cmd = irc_parse_line( lines[i] ) ) ) |
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[f9756bd] | 366 | { |
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| 367 | irc_exec( irc, cmd ); |
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| 368 | g_free( cmd ); |
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| 369 | } |
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[f73b969] | 370 | |
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[f9756bd] | 371 | g_free( conv ); |
---|
[f73b969] | 372 | |
---|
| 373 | /* Shouldn't really happen, but just in case... */ |
---|
| 374 | if( !g_slist_find( irc_connection_list, irc ) ) |
---|
[de3e100] | 375 | { |
---|
[b7d3cc34] | 376 | g_free( lines ); |
---|
[f73b969] | 377 | return; |
---|
[b7d3cc34] | 378 | } |
---|
| 379 | } |
---|
[de3e100] | 380 | |
---|
| 381 | if( lines[i] != NULL ) |
---|
| 382 | { |
---|
| 383 | g_free( irc->readbuffer ); |
---|
[0431ea1] | 384 | irc->readbuffer = NULL; |
---|
[b7d3cc34] | 385 | } |
---|
[de3e100] | 386 | |
---|
[b7d3cc34] | 387 | g_free( lines ); |
---|
| 388 | } |
---|
| 389 | } |
---|
| 390 | |
---|
[3ddb7477] | 391 | /* Splits a long string into separate lines. The array is NULL-terminated |
---|
| 392 | and, unless the string contains an incomplete line at the end, ends with |
---|
| 393 | an empty string. Could use g_strsplit() but this one does it in-place. |
---|
| 394 | (So yes, it's destructive.) */ |
---|
| 395 | static char **irc_splitlines( char *buffer ) |
---|
[b7d3cc34] | 396 | { |
---|
[18ff38f] | 397 | int i, j, n = 3; |
---|
[b7d3cc34] | 398 | char **lines; |
---|
| 399 | |
---|
[18ff38f] | 400 | /* Allocate n+1 elements. */ |
---|
| 401 | lines = g_new( char *, n + 1 ); |
---|
[b7d3cc34] | 402 | |
---|
[de3e100] | 403 | lines[0] = buffer; |
---|
[b7d3cc34] | 404 | |
---|
[18ff38f] | 405 | /* Split the buffer in several strings, and accept any kind of line endings, |
---|
| 406 | * knowing that ERC on Windows may send something interesting like \r\r\n, |
---|
| 407 | * and surely there must be clients that think just \n is enough... */ |
---|
| 408 | for( i = 0, j = 0; buffer[i] != '\0'; i ++ ) |
---|
[de3e100] | 409 | { |
---|
[18ff38f] | 410 | if( buffer[i] == '\r' || buffer[i] == '\n' ) |
---|
[de3e100] | 411 | { |
---|
[18ff38f] | 412 | while( buffer[i] == '\r' || buffer[i] == '\n' ) |
---|
| 413 | buffer[i++] = '\0'; |
---|
| 414 | |
---|
| 415 | lines[++j] = buffer + i; |
---|
[de3e100] | 416 | |
---|
[18ff38f] | 417 | if( j >= n ) |
---|
| 418 | { |
---|
| 419 | n *= 2; |
---|
| 420 | lines = g_renew( char *, lines, n + 1 ); |
---|
| 421 | } |
---|
| 422 | |
---|
| 423 | if( buffer[i] == '\0' ) |
---|
| 424 | break; |
---|
[b7d3cc34] | 425 | } |
---|
| 426 | } |
---|
[de3e100] | 427 | |
---|
[18ff38f] | 428 | /* NULL terminate our list. */ |
---|
| 429 | lines[++j] = NULL; |
---|
| 430 | |
---|
| 431 | return lines; |
---|
[b7d3cc34] | 432 | } |
---|
| 433 | |
---|
[e27661d] | 434 | /* Split an IRC-style line into little parts/arguments. */ |
---|
[0431ea1] | 435 | char **irc_parse_line( char *line ) |
---|
[b7d3cc34] | 436 | { |
---|
| 437 | int i, j; |
---|
| 438 | char **cmd; |
---|
| 439 | |
---|
| 440 | /* Move the line pointer to the start of the command, skipping spaces and the optional prefix. */ |
---|
[de3e100] | 441 | if( line[0] == ':' ) |
---|
| 442 | { |
---|
[e1720ce] | 443 | for( i = 0; line[i] && line[i] != ' '; i ++ ); |
---|
[de3e100] | 444 | line = line + i; |
---|
[b7d3cc34] | 445 | } |
---|
[de3e100] | 446 | for( i = 0; line[i] == ' '; i ++ ); |
---|
| 447 | line = line + i; |
---|
| 448 | |
---|
[b7d3cc34] | 449 | /* If we're already at the end of the line, return. If not, we're going to need at least one element. */ |
---|
[de3e100] | 450 | if( line[0] == '\0') |
---|
| 451 | return NULL; |
---|
| 452 | |
---|
| 453 | /* Count the number of char **cmd elements we're going to need. */ |
---|
| 454 | j = 1; |
---|
| 455 | for( i = 0; line[i] != '\0'; i ++ ) |
---|
| 456 | { |
---|
| 457 | if( line[i] == ' ' ) |
---|
| 458 | { |
---|
| 459 | j ++; |
---|
[b7d3cc34] | 460 | |
---|
[de3e100] | 461 | if( line[i+1] == ':' ) |
---|
| 462 | break; |
---|
| 463 | } |
---|
[b7d3cc34] | 464 | } |
---|
| 465 | |
---|
| 466 | /* Allocate the space we need. */ |
---|
[de3e100] | 467 | cmd = g_new( char *, j + 1 ); |
---|
| 468 | cmd[j] = NULL; |
---|
[b7d3cc34] | 469 | |
---|
| 470 | /* Do the actual line splitting, format is: |
---|
| 471 | * Input: "PRIVMSG #bitlbee :foo bar" |
---|
| 472 | * Output: cmd[0]=="PRIVMSG", cmd[1]=="#bitlbee", cmd[2]=="foo bar", cmd[3]==NULL |
---|
| 473 | */ |
---|
| 474 | |
---|
[de3e100] | 475 | cmd[0] = line; |
---|
| 476 | for( i = 0, j = 0; line[i] != '\0'; i ++ ) |
---|
[b7d3cc34] | 477 | { |
---|
[de3e100] | 478 | if( line[i] == ' ' ) |
---|
[b7d3cc34] | 479 | { |
---|
[de3e100] | 480 | line[i] = '\0'; |
---|
| 481 | cmd[++j] = line + i + 1; |
---|
[b7d3cc34] | 482 | |
---|
[de3e100] | 483 | if( line[i+1] == ':' ) |
---|
[b7d3cc34] | 484 | { |
---|
[de3e100] | 485 | cmd[j] ++; |
---|
[b7d3cc34] | 486 | break; |
---|
| 487 | } |
---|
| 488 | } |
---|
| 489 | } |
---|
| 490 | |
---|
[de3e100] | 491 | return cmd; |
---|
[b7d3cc34] | 492 | } |
---|
| 493 | |
---|
[e27661d] | 494 | /* Converts such an array back into a command string. Mainly used for the IPC code right now. */ |
---|
[74c119d] | 495 | char *irc_build_line( char **cmd ) |
---|
| 496 | { |
---|
| 497 | int i, len; |
---|
| 498 | char *s; |
---|
[b7d3cc34] | 499 | |
---|
[74c119d] | 500 | if( cmd[0] == NULL ) |
---|
| 501 | return NULL; |
---|
[b7d3cc34] | 502 | |
---|
[74c119d] | 503 | len = 1; |
---|
| 504 | for( i = 0; cmd[i]; i ++ ) |
---|
| 505 | len += strlen( cmd[i] ) + 1; |
---|
| 506 | |
---|
| 507 | if( strchr( cmd[i-1], ' ' ) != NULL ) |
---|
| 508 | len ++; |
---|
| 509 | |
---|
| 510 | s = g_new0( char, len + 1 ); |
---|
| 511 | for( i = 0; cmd[i]; i ++ ) |
---|
[b7d3cc34] | 512 | { |
---|
[74c119d] | 513 | if( cmd[i+1] == NULL && strchr( cmd[i], ' ' ) != NULL ) |
---|
| 514 | strcat( s, ":" ); |
---|
[b7d3cc34] | 515 | |
---|
[74c119d] | 516 | strcat( s, cmd[i] ); |
---|
[b7d3cc34] | 517 | |
---|
[74c119d] | 518 | if( cmd[i+1] ) |
---|
| 519 | strcat( s, " " ); |
---|
[b7d3cc34] | 520 | } |
---|
[74c119d] | 521 | strcat( s, "\r\n" ); |
---|
[b7d3cc34] | 522 | |
---|
[74c119d] | 523 | return s; |
---|
[b7d3cc34] | 524 | } |
---|
| 525 | |
---|
[3ddb7477] | 526 | void irc_write( irc_t *irc, char *format, ... ) |
---|
[b7d3cc34] | 527 | { |
---|
| 528 | va_list params; |
---|
[3ddb7477] | 529 | |
---|
[b7d3cc34] | 530 | va_start( params, format ); |
---|
[3ddb7477] | 531 | irc_vawrite( irc, format, params ); |
---|
[b7d3cc34] | 532 | va_end( params ); |
---|
[3ddb7477] | 533 | |
---|
[b7d3cc34] | 534 | return; |
---|
| 535 | } |
---|
| 536 | |
---|
[3ddb7477] | 537 | void irc_write_all( int now, char *format, ... ) |
---|
[b7d3cc34] | 538 | { |
---|
| 539 | va_list params; |
---|
[3ddb7477] | 540 | GSList *temp; |
---|
[b7d3cc34] | 541 | |
---|
| 542 | va_start( params, format ); |
---|
| 543 | |
---|
[3ddb7477] | 544 | temp = irc_connection_list; |
---|
| 545 | while( temp != NULL ) |
---|
| 546 | { |
---|
| 547 | irc_t *irc = temp->data; |
---|
| 548 | |
---|
| 549 | if( now ) |
---|
| 550 | { |
---|
| 551 | g_free( irc->sendbuffer ); |
---|
| 552 | irc->sendbuffer = g_strdup( "\r\n" ); |
---|
| 553 | } |
---|
| 554 | irc_vawrite( temp->data, format, params ); |
---|
| 555 | if( now ) |
---|
| 556 | { |
---|
[4aa0f6b] | 557 | bitlbee_io_current_client_write( irc, irc->fd, B_EV_IO_WRITE ); |
---|
[3ddb7477] | 558 | } |
---|
| 559 | temp = temp->next; |
---|
| 560 | } |
---|
| 561 | |
---|
[b7d3cc34] | 562 | va_end( params ); |
---|
| 563 | return; |
---|
[3ddb7477] | 564 | } |
---|
[b7d3cc34] | 565 | |
---|
| 566 | void irc_vawrite( irc_t *irc, char *format, va_list params ) |
---|
| 567 | { |
---|
| 568 | int size; |
---|
[f9756bd] | 569 | char line[IRC_MAX_LINE+1]; |
---|
[d783e48] | 570 | |
---|
[0356ae3] | 571 | /* Don't try to write anything new anymore when shutting down. */ |
---|
[5898ef8] | 572 | if( irc->status & USTATUS_SHUTDOWN ) |
---|
[b7d3cc34] | 573 | return; |
---|
[d783e48] | 574 | |
---|
[f9756bd] | 575 | memset( line, 0, sizeof( line ) ); |
---|
[d783e48] | 576 | g_vsnprintf( line, IRC_MAX_LINE - 2, format, params ); |
---|
[b7d3cc34] | 577 | strip_newlines( line ); |
---|
[f9756bd] | 578 | |
---|
| 579 | if( irc->oconv != (GIConv) -1 ) |
---|
[d783e48] | 580 | { |
---|
[f9756bd] | 581 | gsize bytes_read, bytes_written; |
---|
| 582 | char *conv; |
---|
| 583 | |
---|
| 584 | conv = g_convert_with_iconv( line, -1, irc->oconv, |
---|
| 585 | &bytes_read, &bytes_written, NULL ); |
---|
| 586 | |
---|
| 587 | if( bytes_read == strlen( line ) ) |
---|
| 588 | strncpy( line, conv, IRC_MAX_LINE - 2 ); |
---|
[d783e48] | 589 | |
---|
[f9756bd] | 590 | g_free( conv ); |
---|
[d783e48] | 591 | } |
---|
[f9756bd] | 592 | g_strlcat( line, "\r\n", IRC_MAX_LINE + 1 ); |
---|
[d783e48] | 593 | |
---|
[a0d04d6] | 594 | if( irc->sendbuffer != NULL ) |
---|
| 595 | { |
---|
[b7d3cc34] | 596 | size = strlen( irc->sendbuffer ) + strlen( line ); |
---|
| 597 | irc->sendbuffer = g_renew ( char, irc->sendbuffer, size + 1 ); |
---|
| 598 | strcpy( ( irc->sendbuffer + strlen( irc->sendbuffer ) ), line ); |
---|
| 599 | } |
---|
[a0d04d6] | 600 | else |
---|
[b7d3cc34] | 601 | { |
---|
[a0d04d6] | 602 | irc->sendbuffer = g_strdup(line); |
---|
[b7d3cc34] | 603 | } |
---|
| 604 | |
---|
[a0d04d6] | 605 | if( irc->w_watch_source_id == 0 ) |
---|
[0356ae3] | 606 | { |
---|
| 607 | /* If the buffer is empty we can probably write, so call the write event handler |
---|
| 608 | immediately. If it returns TRUE, it should be called again, so add the event to |
---|
| 609 | the queue. If it's FALSE, we emptied the buffer and saved ourselves some work |
---|
| 610 | in the event queue. */ |
---|
[bbb6ffb] | 611 | /* Really can't be done as long as the code doesn't do error checking very well: |
---|
[e046390] | 612 | if( bitlbee_io_current_client_write( irc, irc->fd, B_EV_IO_WRITE ) ) */ |
---|
[bbb6ffb] | 613 | |
---|
| 614 | /* So just always do it via the event handler. */ |
---|
[e046390] | 615 | irc->w_watch_source_id = b_input_add( irc->fd, B_EV_IO_WRITE, bitlbee_io_current_client_write, irc ); |
---|
[0356ae3] | 616 | } |
---|
[a0d04d6] | 617 | |
---|
[b7d3cc34] | 618 | return; |
---|
| 619 | } |
---|
| 620 | |
---|
[edf9657] | 621 | int irc_check_login( irc_t *irc ) |
---|
[b7d3cc34] | 622 | { |
---|
[3ddb7477] | 623 | if( irc->user->user && irc->user->nick ) |
---|
[edf9657] | 624 | { |
---|
[3af70b0] | 625 | if( global.conf->authmode == AUTHMODE_CLOSED && !( irc->status & USTATUS_AUTHORIZED ) ) |
---|
[b7d3cc34] | 626 | { |
---|
[3ddb7477] | 627 | irc_send_num( irc, 464, ":This server is password-protected." ); |
---|
[edf9657] | 628 | return 0; |
---|
[b7d3cc34] | 629 | } |
---|
[edf9657] | 630 | else |
---|
[b7d3cc34] | 631 | { |
---|
[4be8239] | 632 | irc_channel_t *ic; |
---|
| 633 | irc_user_t *iu = irc->user; |
---|
| 634 | |
---|
| 635 | irc->user = irc_user_new( irc, iu->nick ); |
---|
| 636 | irc->user->user = iu->user; |
---|
[b95932e] | 637 | irc->user->host = iu->host; |
---|
[4be8239] | 638 | irc->user->fullname = iu->fullname; |
---|
[280c56a] | 639 | irc->user->f = &irc_user_self_funcs; |
---|
[4be8239] | 640 | g_free( iu->nick ); |
---|
| 641 | g_free( iu ); |
---|
| 642 | |
---|
| 643 | if( global.conf->runmode == RUNMODE_FORKDAEMON || global.conf->runmode == RUNMODE_DAEMON ) |
---|
| 644 | ipc_to_master_str( "CLIENT %s %s :%s\r\n", irc->user->host, irc->user->nick, irc->user->fullname ); |
---|
| 645 | |
---|
| 646 | irc->status |= USTATUS_LOGGED_IN; |
---|
| 647 | |
---|
[3ddb7477] | 648 | irc_send_login( irc ); |
---|
[4be8239] | 649 | |
---|
[b919363] | 650 | irc->umode[0] = '\0'; |
---|
| 651 | irc_umode_set( irc, "+" UMODE, TRUE ); |
---|
| 652 | |
---|
[fd45e1d1] | 653 | ic = irc->default_channel = irc_channel_new( irc, ROOT_CHAN ); |
---|
[83e92bf] | 654 | irc_channel_set_topic( ic, CONTROL_TOPIC, irc->root ); |
---|
[c8eeadd] | 655 | set_setstr( &ic->set, "auto_join", "true" ); |
---|
| 656 | irc_channel_auto_joins( irc, NULL ); |
---|
[4be8239] | 657 | |
---|
[74f1cde] | 658 | irc->last_root_cmd = g_strdup( ROOT_CHAN ); |
---|
| 659 | |
---|
[e21c0f8] | 660 | irc_send_msg( irc->root, "PRIVMSG", ROOT_CHAN, |
---|
| 661 | "Welcome to the BitlBee gateway!\n\n" |
---|
| 662 | "If you've never used BitlBee before, please do read the help " |
---|
| 663 | "information using the \x02help\x02 command. Lots of FAQs are " |
---|
| 664 | "answered there.\n" |
---|
| 665 | "If you already have an account on this server, just use the " |
---|
| 666 | "\x02identify\x02 command to identify yourself.", NULL ); |
---|
| 667 | |
---|
[70f69ecc] | 668 | /* This is for bug #209 (use PASS to identify to NickServ). */ |
---|
| 669 | if( irc->password != NULL ) |
---|
| 670 | { |
---|
| 671 | char *send_cmd[] = { "identify", g_strdup( irc->password ), NULL }; |
---|
| 672 | |
---|
| 673 | irc_setpass( irc, NULL ); |
---|
| 674 | root_command( irc, send_cmd ); |
---|
| 675 | g_free( send_cmd[1] ); |
---|
| 676 | } |
---|
| 677 | |
---|
[edf9657] | 678 | return 1; |
---|
[b7d3cc34] | 679 | } |
---|
[edf9657] | 680 | } |
---|
| 681 | else |
---|
| 682 | { |
---|
| 683 | /* More information needed. */ |
---|
| 684 | return 0; |
---|
| 685 | } |
---|
[b7d3cc34] | 686 | } |
---|
| 687 | |
---|
[b919363] | 688 | void irc_umode_set( irc_t *irc, const char *s, gboolean allow_priv ) |
---|
| 689 | { |
---|
| 690 | /* allow_priv: Set to 0 if s contains user input, 1 if you want |
---|
| 691 | to set a "privileged" mode (+o, +R, etc). */ |
---|
| 692 | char m[128], st = 1; |
---|
| 693 | const char *t; |
---|
| 694 | int i; |
---|
| 695 | char changes[512], *p, st2 = 2; |
---|
| 696 | char badflag = 0; |
---|
| 697 | |
---|
| 698 | memset( m, 0, sizeof( m ) ); |
---|
| 699 | |
---|
| 700 | for( t = irc->umode; *t; t ++ ) |
---|
| 701 | if( *t < sizeof( m ) ) |
---|
| 702 | m[(int)*t] = 1; |
---|
| 703 | |
---|
| 704 | p = changes; |
---|
| 705 | for( t = s; *t; t ++ ) |
---|
| 706 | { |
---|
| 707 | if( *t == '+' || *t == '-' ) |
---|
| 708 | st = *t == '+'; |
---|
| 709 | else if( ( st == 0 && ( !strchr( UMODES_KEEP, *t ) || allow_priv ) ) || |
---|
| 710 | ( st == 1 && strchr( UMODES, *t ) ) || |
---|
| 711 | ( st == 1 && allow_priv && strchr( UMODES_PRIV, *t ) ) ) |
---|
| 712 | { |
---|
| 713 | if( m[(int)*t] != st) |
---|
| 714 | { |
---|
| 715 | if( st != st2 ) |
---|
| 716 | st2 = st, *p++ = st ? '+' : '-'; |
---|
| 717 | *p++ = *t; |
---|
| 718 | } |
---|
| 719 | m[(int)*t] = st; |
---|
| 720 | } |
---|
| 721 | else |
---|
| 722 | badflag = 1; |
---|
| 723 | } |
---|
| 724 | *p = '\0'; |
---|
| 725 | |
---|
| 726 | memset( irc->umode, 0, sizeof( irc->umode ) ); |
---|
| 727 | |
---|
| 728 | for( i = 'A'; i <= 'z' && strlen( irc->umode ) < ( sizeof( irc->umode ) - 1 ); i ++ ) |
---|
| 729 | if( m[i] ) |
---|
| 730 | irc->umode[strlen(irc->umode)] = i; |
---|
| 731 | |
---|
| 732 | if( badflag ) |
---|
| 733 | irc_send_num( irc, 501, ":Unknown MODE flag" ); |
---|
| 734 | if( *changes ) |
---|
| 735 | irc_write( irc, ":%s!%s@%s MODE %s :%s", irc->user->nick, |
---|
| 736 | irc->user->user, irc->user->host, irc->user->nick, |
---|
| 737 | changes ); |
---|
| 738 | } |
---|
| 739 | |
---|
[3923003] | 740 | /* Returns 0 if everything seems to be okay, a number >0 when there was a |
---|
| 741 | timeout. The number returned is the number of seconds we received no |
---|
| 742 | pongs from the user. When not connected yet, we don't ping but drop the |
---|
| 743 | connection when the user fails to connect in IRC_LOGIN_TIMEOUT secs. */ |
---|
| 744 | static gboolean irc_userping( gpointer _irc, gint fd, b_input_condition cond ) |
---|
| 745 | { |
---|
| 746 | irc_t *irc = _irc; |
---|
| 747 | int rv = 0; |
---|
| 748 | |
---|
| 749 | if( !( irc->status & USTATUS_LOGGED_IN ) ) |
---|
| 750 | { |
---|
| 751 | if( gettime() > ( irc->last_pong + IRC_LOGIN_TIMEOUT ) ) |
---|
| 752 | rv = gettime() - irc->last_pong; |
---|
| 753 | } |
---|
| 754 | else |
---|
| 755 | { |
---|
| 756 | if( ( gettime() > ( irc->last_pong + global.conf->ping_interval ) ) && !irc->pinging ) |
---|
| 757 | { |
---|
| 758 | irc_write( irc, "PING :%s", IRC_PING_STRING ); |
---|
| 759 | irc->pinging = 1; |
---|
| 760 | } |
---|
| 761 | else if( gettime() > ( irc->last_pong + global.conf->ping_timeout ) ) |
---|
| 762 | { |
---|
| 763 | rv = gettime() - irc->last_pong; |
---|
| 764 | } |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | if( rv > 0 ) |
---|
| 768 | { |
---|
| 769 | irc_abort( irc, 0, "Ping Timeout: %d seconds", rv ); |
---|
| 770 | return FALSE; |
---|
| 771 | } |
---|
| 772 | |
---|
| 773 | return TRUE; |
---|
| 774 | } |
---|
| 775 | |
---|
[3ddb7477] | 776 | static char *set_eval_charset( set_t *set, char *value ) |
---|
[b7d3cc34] | 777 | { |
---|
[21c87a7] | 778 | irc_t *irc = (irc_t*) set->data; |
---|
| 779 | char *test; |
---|
| 780 | gsize test_bytes = 0; |
---|
[3ddb7477] | 781 | GIConv ic, oc; |
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[b7d3cc34] | 782 | |
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[3ddb7477] | 783 | if( g_strcasecmp( value, "none" ) == 0 ) |
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| 784 | value = g_strdup( "utf-8" ); |
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[b7d3cc34] | 785 | |
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[21c87a7] | 786 | if( ( oc = g_iconv_open( value, "utf-8" ) ) == (GIConv) -1 ) |
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[b7d3cc34] | 787 | { |
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[3ddb7477] | 788 | return NULL; |
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[b7d3cc34] | 789 | } |
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[0e7ab64] | 790 | |
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[21c87a7] | 791 | /* Do a test iconv to see if the user picked an IRC-compatible |
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| 792 | charset (for example utf-16 goes *horribly* wrong). */ |
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| 793 | if( ( test = g_convert_with_iconv( " ", 1, oc, NULL, &test_bytes, NULL ) ) == NULL || |
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| 794 | test_bytes > 1 ) |
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[0e7ab64] | 795 | { |
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[21c87a7] | 796 | g_free( test ); |
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| 797 | g_iconv_close( oc ); |
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| 798 | irc_usermsg( irc, "Unsupported character set: The IRC protocol " |
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| 799 | "only supports 8-bit character sets." ); |
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| 800 | return NULL; |
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[0e7ab64] | 801 | } |
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[21c87a7] | 802 | g_free( test ); |
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[0e7ab64] | 803 | |
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[21c87a7] | 804 | if( ( ic = g_iconv_open( "utf-8", value ) ) == (GIConv) -1 ) |
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[b7d3cc34] | 805 | { |
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[21c87a7] | 806 | g_iconv_close( oc ); |
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[3ddb7477] | 807 | return NULL; |
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[b7d3cc34] | 808 | } |
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| 809 | |
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[3ddb7477] | 810 | if( irc->iconv != (GIConv) -1 ) |
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| 811 | g_iconv_close( irc->iconv ); |
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| 812 | if( irc->oconv != (GIConv) -1 ) |
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| 813 | g_iconv_close( irc->oconv ); |
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[b7d3cc34] | 814 | |
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[3ddb7477] | 815 | irc->iconv = ic; |
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| 816 | irc->oconv = oc; |
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[0e7ab64] | 817 | |
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[3ddb7477] | 818 | return value; |
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[0e7ab64] | 819 | } |
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[0e8b3e8] | 820 | |
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| 821 | char *set_eval_away_devoice( set_t *set, char *value ) |
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| 822 | { |
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| 823 | irc_t *irc = set->data; |
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| 824 | |
---|
| 825 | if( !is_bool( value ) ) |
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| 826 | return SET_INVALID; |
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| 827 | |
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| 828 | /* The usual problem: The setting isn't actually changed at this |
---|
| 829 | point and we need it to be, so do it by hand. */ |
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| 830 | g_free( set->value ); |
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| 831 | set->value = g_strdup( value ); |
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| 832 | |
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| 833 | bee_irc_channel_update( irc, NULL, NULL ); |
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| 834 | |
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| 835 | return value; |
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| 836 | } |
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