Mercurial > ~mikael > mcabber > hg

annotate mcabber/src/hooks.c @ 479:b82428ac107d

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resname can be a null pointer in sme cases
author Mikael Berthe <mikael@lilotux.net>
date Mon, 03 Oct 2005 23:59:56 +0200
parents d11e5ce2582c
children 4a10c04ac2fb
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1 /*
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2 * hooks.c -- Hooks layer
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3 *
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4 * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net>
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5 *
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or (at
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9 * your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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19 * USA
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20 */
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21
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22 #include <sys/types.h>
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23 #include <unistd.h>
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24
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25 #include "hooks.h"
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26 #include "screen.h"
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27 #include "roster.h"
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28 #include "histolog.h"
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29 #include "hbuf.h"
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30 #include "settings.h"
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31
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32 static char *extcmd;
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33
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34 inline void hk_message_in(const char *jid, const char *resname,
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35 time_t timestamp, const char *msg, const char *type)
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36 {
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37 int new_guy = FALSE;
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38 int is_groupchat = FALSE; // groupchat message
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39 int is_room = FALSE; // window is a room window
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40 int log_muc_conf = FALSE;
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41 int message_flags = 0;
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42 guint rtype = ROSTER_TYPE_USER;
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43 char *wmsg = NULL, *bmsg = NULL;
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44 GSList *roster_usr;
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45
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46 if (type && !strcmp(type, "groupchat")) {
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47 rtype = ROSTER_TYPE_ROOM;
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48 is_groupchat = TRUE;
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49 log_muc_conf = settings_opt_get_int("log_muc_conf");
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50 if (!resname) {
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51 message_flags = HBB_PREFIX_INFO;
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52 resname = "";
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53 }
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54 wmsg = bmsg = g_strdup_printf("<%s> %s", resname, msg);
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55 } else {
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56 wmsg = (char*) msg;
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57 }
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58
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59 // If this user isn't in the roster, we add it
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60 roster_usr = roster_find(jid, jidsearch,
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61 rtype|ROSTER_TYPE_AGENT|ROSTER_TYPE_ROOM);
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62 if (!roster_usr) {
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63 new_guy = TRUE;
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64 roster_usr = roster_add_user(jid, NULL, NULL, rtype);
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65 if (!roster_usr) { // Shouldn't happen...
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66 scr_LogPrint(LPRINT_LOGNORM, "ERROR: unable to add buddy!");
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67 if (bmsg) g_free(bmsg);
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68 return;
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69 }
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70 }
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71
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72 is_room = !!(buddy_gettype(roster_usr->data) & ROSTER_TYPE_ROOM);
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73
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74 if (!is_groupchat && is_room) {
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75 // This is a private message from a room participant
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76 if (!resname) resname = "";
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77 wmsg = bmsg = g_strdup_printf("PRIV#<%s> %s", resname, msg);
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78 }
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79
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80 if (type && !strcmp(type, "error")) {
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81 message_flags = HBB_PREFIX_ERR | HBB_PREFIX_IN;
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82 scr_LogPrint(LPRINT_LOGNORM, "Error message received from <%s>", jid);
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83 }
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84
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85 // Note: the hlog_write should not be called first, because in some
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86 // cases scr_WriteIncomingMessage() will load the history and we'd
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87 // have the message twice...
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88 scr_WriteIncomingMessage(jid, wmsg, timestamp, message_flags);
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89
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90 // - We don't log the message if it is an error message
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91 // - We don't log the message if it is a private conf. message
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92 // - We don't log the message if it is groupchat message and the log_muc_conf
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93 // option is off (and it is not a history line)
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94 if (!(message_flags & HBB_PREFIX_ERR) &&
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95 (!is_room || (is_groupchat && log_muc_conf && !timestamp)))
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96 hlog_write_message(jid, timestamp, FALSE, wmsg);
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97
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98 // External command
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99 // - We do not call hk_ext_cmd() for history lines in MUC
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100 // - We do call hk_ext_cmd() for private messages in a room
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101 if ((is_groupchat && !timestamp) || !is_groupchat)
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102 hk_ext_cmd(jid, (is_groupchat ? 'G' : 'M'), 'R', NULL);
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103
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104 // We need to rebuild the list if the sender is unknown or
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105 // if the sender is offline/invisible and hide_offline_buddies is set
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106 if (new_guy ||
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107 (buddy_getstatus(roster_usr->data, NULL) == offline &&
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108 buddylist_get_hide_offline_buddies()))
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109 {
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110 buddylist_build();
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111 update_roster = TRUE;
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112 }
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113
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114 if (bmsg) g_free(bmsg);
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115 }
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116
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117 inline void hk_message_out(const char *jid, time_t timestamp, const char *msg)
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118 {
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119 scr_WriteOutgoingMessage(jid, msg);
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120 hlog_write_message(jid, timestamp, TRUE, msg);
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121 // External command
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122 hk_ext_cmd(jid, 'M', 'S', NULL);
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123 }
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124
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125 inline void hk_statuschange(const char *jid, const char *resname, gchar prio,
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126 time_t timestamp, enum imstatus status,
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127 const char *status_msg)
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128 {
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129 const char *rn = (resname ? resname : "default");
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130 scr_LogPrint(LPRINT_LOGNORM, "Buddy status has changed: [%c>%c] <%s/%s> %s",
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131 imstatus2char[roster_getstatus(jid, resname)],
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132 imstatus2char[status], jid, rn,
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133 ((status_msg) ? status_msg : ""));
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134 roster_setstatus(jid, rn, prio, status, status_msg, role_none, NULL);
120
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135 buddylist_build();
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136 scr_DrawRoster();
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137 hlog_write_status(jid, 0, status, status_msg);
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138 // External command
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139 hk_ext_cmd(jid, 'S', imstatus2char[status], NULL);
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140 }
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141
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142 inline void hk_mystatuschange(time_t timestamp,
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143 enum imstatus old_status, enum imstatus new_status, const char *msg)
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144 {
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145 if (!msg && (old_status == new_status))
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146 return;
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147
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148 scr_LogPrint(LPRINT_LOGNORM, "Your status has changed: [%c>%c] %s",
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149 imstatus2char[old_status], imstatus2char[new_status],
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150 ((msg) ? msg : ""));
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151 //hlog_write_status(NULL, 0, status);
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152 }
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153
160
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154
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155 /* External commands */
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156
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157 // hk_ext_cmd_init()
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158 // Initialize external command variable.
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159 // Can be called with parameter NULL to reset and free memory.
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160 void hk_ext_cmd_init(const char *command)
160
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161 {
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162 if (extcmd) {
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163 g_free(extcmd);
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164 extcmd = NULL;
160
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165 }
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166 if (command)
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167 extcmd = g_strdup(command);
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168 }
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169
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170 // hk_ext_cmd()
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171 // Launch an external command (process) for the given event.
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172 // For now, data should be NULL.
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173 void hk_ext_cmd(const char *jid, guchar type, guchar info, const char *data)
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174 {
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175 pid_t pid;
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176 char *arg_type = NULL;
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177 char *arg_info = NULL;
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178 char *arg_data = NULL;
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179 char status_str[2];
160
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180
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181 if (!extcmd) return;
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182
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183 // Prepare arg_* (external command parameters)
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184 switch (type) {
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185 case 'M':
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186 arg_type = "MSG";
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187 if (info == 'R')
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188 arg_info = "IN";
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189 else if (info == 'S')
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190 arg_info = "OUT";
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39e173645f9c External command is called for MUC messages
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191 break;
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192 case 'G':
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193 arg_type = "MSG";
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194 arg_info = "MUC";
355
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195 break;
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196 case 'S':
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197 arg_type = "STATUS";
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198 if (strchr(imstatus2char, tolower(info))) {
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199 status_str[0] = toupper(info);
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200 status_str[1] = 0;
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201 arg_info = status_str;
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202 }
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203 break;
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204 default:
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205 return;
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206 }
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207
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208 if (!arg_type || !arg_info) return;
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209
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210 if ((pid=fork()) == -1) {
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211 scr_LogPrint(LPRINT_LOGNORM, "Fork error, cannot launch external command.");
160
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212 return;
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213 }
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214
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215 if (pid == 0) { // child
391
868a350fefca Fix "missing sentinel in function call" warning with gcc4
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216 if (execl(extcmd, extcmd, arg_type, arg_info, jid, arg_data, NULL) == -1) {
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217 // scr_LogPrint(LPRINT_LOGNORM, "Cannot execute external command.");
160
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218 exit(1);
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219 }
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220 }
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221 }
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222