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 - Sending responses to commands/etc. */ |
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8 | |
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9 | /* |
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10 | This program is free software; you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation; either version 2 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License with |
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21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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22 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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23 | Suite 330, Boston, MA 02111-1307 USA |
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24 | */ |
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25 | |
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26 | #include "bitlbee.h" |
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27 | |
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28 | void irc_send_num( irc_t *irc, int code, char *format, ... ) |
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29 | { |
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30 | char text[IRC_MAX_LINE]; |
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31 | va_list params; |
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32 | |
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33 | va_start( params, format ); |
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34 | g_vsnprintf( text, IRC_MAX_LINE, format, params ); |
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35 | va_end( params ); |
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36 | |
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37 | irc_write( irc, ":%s %03d %s %s", irc->root->host, code, irc->user->nick ? : "*", text ); |
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38 | } |
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39 | |
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40 | void irc_send_login( irc_t *irc ) |
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41 | { |
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42 | irc_send_num( irc, 1, ":Welcome to the BitlBee gateway, %s", irc->user->nick ); |
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43 | irc_send_num( irc, 2, ":Host %s is running BitlBee " BITLBEE_VERSION " " ARCH "/" CPU ".", irc->root->host ); |
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44 | irc_send_num( irc, 3, ":%s", IRCD_INFO ); |
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45 | irc_send_num( irc, 4, "%s %s %s %s", irc->root->host, BITLBEE_VERSION, UMODES UMODES_PRIV, CMODES ); |
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46 | irc_send_num( irc, 5, "PREFIX=(ov)@+ CHANTYPES=%s CHANMODES=,,,%s NICKLEN=%d NETWORK=BitlBee " |
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47 | "CASEMAPPING=rfc1459 MAXTARGETS=1 WATCH=128 :are supported by this server", |
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48 | CTYPES, CMODES, MAX_NICK_LENGTH - 1 ); |
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49 | irc_send_motd( irc ); |
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50 | } |
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51 | |
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52 | void irc_send_motd( irc_t *irc ) |
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53 | { |
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54 | int fd; |
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55 | |
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56 | fd = open( global.conf->motdfile, O_RDONLY ); |
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57 | if( fd == -1 ) |
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58 | { |
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59 | irc_send_num( irc, 422, ":We don't need MOTDs." ); |
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60 | } |
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61 | else |
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62 | { |
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63 | char linebuf[80]; /* Max. line length for MOTD's is 79 chars. It's what most IRC networks seem to do. */ |
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64 | char *add, max; |
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65 | int len; |
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66 | |
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67 | linebuf[79] = len = 0; |
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68 | max = sizeof( linebuf ) - 1; |
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69 | |
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70 | irc_send_num( irc, 375, ":- %s Message Of The Day - ", irc->root->host ); |
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71 | while( read( fd, linebuf + len, 1 ) == 1 ) |
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72 | { |
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73 | if( linebuf[len] == '\n' || len == max ) |
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74 | { |
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75 | linebuf[len] = 0; |
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76 | irc_send_num( irc, 372, ":- %s", linebuf ); |
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77 | len = 0; |
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78 | } |
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79 | else if( linebuf[len] == '%' ) |
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80 | { |
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81 | read( fd, linebuf + len, 1 ); |
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82 | if( linebuf[len] == 'h' ) |
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83 | add = irc->root->host; |
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84 | else if( linebuf[len] == 'v' ) |
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85 | add = BITLBEE_VERSION; |
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86 | else if( linebuf[len] == 'n' ) |
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87 | add = irc->user->nick; |
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88 | else |
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89 | add = "%"; |
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90 | |
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91 | strncpy( linebuf + len, add, max - len ); |
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92 | while( linebuf[++len] ); |
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93 | } |
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94 | else if( len < max ) |
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95 | { |
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96 | len ++; |
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97 | } |
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98 | } |
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99 | irc_send_num( irc, 376, ":End of MOTD" ); |
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100 | close( fd ); |
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101 | } |
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102 | } |
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103 | |
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104 | void irc_usermsg( irc_t *irc, char *format, ... ) |
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105 | { |
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106 | irc_channel_t *ic; |
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107 | irc_user_t *iu; |
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108 | char text[1024]; |
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109 | va_list params; |
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110 | |
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111 | va_start( params, format ); |
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112 | g_vsnprintf( text, sizeof( text ), format, params ); |
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113 | va_end( params ); |
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114 | |
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115 | if( irc->last_root_cmd && |
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116 | irc_channel_name_ok( irc->last_root_cmd ) && |
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117 | ( ic = irc_channel_by_name( irc, irc->last_root_cmd ) ) && |
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118 | ic->flags & IRC_CHANNEL_JOINED ) |
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119 | irc_send_msg( irc->root, "PRIVMSG", irc->last_root_cmd, text, NULL ); |
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120 | else if( irc->last_root_cmd && |
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121 | ( iu = irc_user_by_name( irc, irc->last_root_cmd ) ) && |
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122 | iu->f == &irc_user_root_funcs ) |
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123 | irc_send_msg( iu, "PRIVMSG", irc->user->nick, text, NULL ); |
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124 | else |
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125 | { |
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126 | g_free( irc->last_root_cmd ); |
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127 | irc->last_root_cmd = NULL; |
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128 | |
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129 | irc_send_msg( irc->root, "PRIVMSG", irc->user->nick, text, NULL ); |
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130 | } |
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131 | |
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132 | /*return( irc_msgfrom( irc, u->nick, text ) );*/ |
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133 | } |
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134 | |
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135 | void irc_send_join( irc_channel_t *ic, irc_user_t *iu ) |
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136 | { |
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137 | irc_t *irc = ic->irc; |
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138 | |
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139 | irc_write( irc, ":%s!%s@%s JOIN :%s", iu->nick, iu->user, iu->host, ic->name ); |
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140 | |
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141 | if( iu == irc->user ) |
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142 | { |
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143 | irc_write( irc, ":%s MODE %s +%s", irc->root->host, ic->name, ic->mode ); |
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144 | irc_send_names( ic ); |
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145 | if( ic->topic && *ic->topic ) |
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146 | irc_send_topic( ic, FALSE ); |
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147 | } |
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148 | } |
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149 | |
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150 | void irc_send_part( irc_channel_t *ic, irc_user_t *iu, const char *reason ) |
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151 | { |
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152 | irc_write( ic->irc, ":%s!%s@%s PART %s :%s", iu->nick, iu->user, iu->host, ic->name, reason ); |
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153 | } |
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154 | |
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155 | void irc_send_names( irc_channel_t *ic ) |
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156 | { |
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157 | GSList *l; |
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158 | char namelist[385] = ""; |
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159 | //char *ops = set_getstr( &ic->irc->b->set, "ops" ); |
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160 | |
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161 | /* RFCs say there is no error reply allowed on NAMES, so when the |
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162 | channel is invalid, just give an empty reply. */ |
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163 | for( l = ic->users; l; l = l->next ) |
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164 | { |
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165 | irc_user_t *iu = l->data; |
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166 | |
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167 | if( strlen( namelist ) + strlen( iu->nick ) > sizeof( namelist ) - 4 ) |
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168 | { |
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169 | irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist ); |
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170 | *namelist = 0; |
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171 | } |
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172 | |
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173 | /* |
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174 | if( u->ic && !u->away && set_getbool( &irc->set, "away_devoice" ) ) |
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175 | strcat( namelist, "+" ); |
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176 | else if( ( strcmp( u->nick, irc->mynick ) == 0 && ( strcmp( ops, "root" ) == 0 || strcmp( ops, "both" ) == 0 ) ) || |
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177 | ( strcmp( u->nick, irc->nick ) == 0 && ( strcmp( ops, "user" ) == 0 || strcmp( ops, "both" ) == 0 ) ) ) |
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178 | strcat( namelist, "@" ); |
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179 | */ |
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180 | |
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181 | strcat( namelist, iu->nick ); |
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182 | strcat( namelist, " " ); |
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183 | } |
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184 | |
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185 | if( *namelist ) |
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186 | irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist ); |
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187 | |
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188 | irc_send_num( ic->irc, 366, "%s :End of /NAMES list", ic->name ); |
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189 | } |
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190 | |
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191 | void irc_send_topic( irc_channel_t *ic, gboolean topic_change ) |
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192 | { |
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193 | if( topic_change && ic->topic_who ) |
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194 | { |
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195 | irc_write( ic->irc, ":%s TOPIC %s :%s", ic->topic_who, |
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196 | ic->name, ic->topic && *ic->topic ? ic->topic : "" ); |
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197 | } |
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198 | else if( ic->topic ) |
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199 | { |
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200 | irc_send_num( ic->irc, 332, "%s :%s", ic->name, ic->topic ); |
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201 | if( ic->topic_who ) |
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202 | irc_send_num( ic->irc, 333, "%s %s %d", |
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203 | ic->name, ic->topic_who, (int) ic->topic_time ); |
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204 | } |
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205 | else |
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206 | irc_send_num( ic->irc, 331, "%s :No topic for this channel", ic->name ); |
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207 | } |
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208 | |
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209 | void irc_send_whois( irc_user_t *iu ) |
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210 | { |
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211 | irc_t *irc = iu->irc; |
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212 | |
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213 | irc_send_num( irc, 311, "%s %s %s * :%s", |
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214 | iu->nick, iu->user, iu->host, iu->fullname ); |
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215 | |
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216 | if( iu->bu ) |
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217 | { |
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218 | bee_user_t *bu = iu->bu; |
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219 | |
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220 | irc_send_num( irc, 312, "%s %s.%s :%s network", iu->nick, bu->ic->acc->user, |
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221 | bu->ic->acc->server && *bu->ic->acc->server ? bu->ic->acc->server : "", |
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222 | bu->ic->acc->prpl->name ); |
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223 | |
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224 | if( bu->status || bu->status_msg ) |
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225 | { |
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226 | int num = bu->flags & BEE_USER_AWAY ? 301 : 320; |
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227 | |
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228 | if( bu->status && bu->status_msg ) |
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229 | irc_send_num( irc, num, "%s :%s (%s)", iu->nick, bu->status, bu->status_msg ); |
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230 | else |
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231 | irc_send_num( irc, num, "%s :%s", iu->nick, bu->status ? : bu->status_msg ); |
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232 | } |
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233 | } |
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234 | else |
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235 | { |
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236 | irc_send_num( irc, 312, "%s %s :%s", iu->nick, irc->root->host, IRCD_INFO " " BITLBEE_VERSION ); |
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237 | } |
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238 | |
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239 | irc_send_num( irc, 318, "%s :End of /WHOIS list", iu->nick ); |
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240 | } |
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241 | |
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242 | void irc_send_who( irc_t *irc, GSList *l, const char *channel ) |
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243 | { |
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244 | while( l ) |
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245 | { |
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246 | irc_user_t *iu = l->data; |
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247 | /* TODO(wilmer): Restore away/channel information here */ |
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248 | irc_send_num( irc, 352, "%s %s %s %s %s %c :0 %s", |
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249 | channel ? : "*", iu->user, iu->host, irc->root->host, |
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250 | iu->nick, 'H', iu->fullname ); |
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251 | l = l->next; |
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252 | } |
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253 | |
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254 | irc_send_num( irc, 315, "%s :End of /WHO list", channel ); |
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255 | } |
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256 | |
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257 | void irc_send_msg( irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix ) |
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258 | { |
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259 | char last = 0; |
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260 | const char *s = msg, *line = msg; |
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261 | char raw_msg[strlen(msg)+1024]; |
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262 | |
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263 | while( !last ) |
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264 | { |
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265 | if( *s == '\r' && *(s+1) == '\n' ) |
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266 | s++; |
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267 | if( *s == '\n' ) |
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268 | { |
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269 | last = s[1] == 0; |
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270 | } |
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271 | else |
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272 | { |
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273 | last = s[0] == 0; |
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274 | } |
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275 | if( *s == 0 || *s == '\n' ) |
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276 | { |
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277 | if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix || !*prefix ) && |
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278 | g_strcasecmp( type, "PRIVMSG" ) == 0 ) |
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279 | { |
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280 | strcpy( raw_msg, "\001ACTION " ); |
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281 | strncat( raw_msg, line + 4, s - line - 4 ); |
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282 | strcat( raw_msg, "\001" ); |
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283 | irc_send_msg_raw( iu, type, dst, raw_msg ); |
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284 | } |
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285 | else |
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286 | { |
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287 | *raw_msg = '\0'; |
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288 | if( prefix && *prefix ) |
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289 | strcpy( raw_msg, prefix ); |
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290 | strncat( raw_msg, line, s - line ); |
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291 | irc_send_msg_raw( iu, type, dst, raw_msg ); |
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292 | } |
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293 | line = s + 1; |
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294 | } |
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295 | s ++; |
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296 | } |
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297 | } |
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298 | |
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299 | void irc_send_msg_raw( irc_user_t *iu, const char *type, const char *dst, const char *msg ) |
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300 | { |
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301 | irc_write( iu->irc, ":%s!%s@%s %s %s :%s", |
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302 | iu->nick, iu->user, iu->host, type, dst, msg ); |
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303 | } |
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304 | |
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305 | void irc_send_nick( irc_user_t *iu, const char *new ) |
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306 | { |
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307 | irc_write( iu->irc, ":%s!%s@%s NICK %s", |
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308 | iu->nick, iu->user, iu->host, new ); |
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309 | } |
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