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annotate mcabber/src/hooks.c @ 453:39e173645f9c

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External command is called for MUC messages
author Mikael Berthe <mikael@lilotux.net>
date Mon, 26 Sep 2005 22:36:18 +0200
parents 03bb57383cea
children 33dc3ca6e9ca
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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
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31 static char *extcmd;
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32
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33 inline void hk_message_in(const char *jid, const char *resname,
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34 time_t timestamp, const char *msg, const char *type)
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35 {
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36 int new_guy = FALSE;
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37 int is_groupchat = FALSE;
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38 int message_flags = 0;
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39 guint rtype = ROSTER_TYPE_USER;
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40 char *wmsg;
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41 GSList *roster_usr;
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42
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43 if (type && !strcmp(type, "groupchat")) {
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44 rtype = ROSTER_TYPE_ROOM;
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45 is_groupchat = TRUE;
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46 if (!resname) {
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47 message_flags = HBB_PREFIX_INFO;
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48 resname = "";
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49 }
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50 wmsg = g_strdup_printf("<%s> %s", resname, msg);
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51 } else {
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52 wmsg = (char*) msg;
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53 }
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54
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55 // If this user isn't in the roster, we add it
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56 roster_usr = roster_find(jid, jidsearch,
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57 rtype|ROSTER_TYPE_AGENT|ROSTER_TYPE_ROOM);
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58 if (!roster_usr) {
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59 roster_add_user(jid, NULL, NULL, rtype);
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60 new_guy = TRUE;
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61 } else {
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62 if (buddy_gettype(roster_usr->data) == ROSTER_TYPE_ROOM)
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63 is_groupchat = TRUE;
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64 }
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65
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66 if (type && !strcmp(type, "error")) {
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67 message_flags = HBB_PREFIX_ERR | HBB_PREFIX_IN;
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68 scr_LogPrint(LPRINT_LOGNORM, "Error message received from <%s>", jid);
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69 }
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70
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71 // Note: the hlog_write should not be called first, because in some
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72 // cases scr_WriteIncomingMessage() will load the history and we'd
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73 // have the message twice...
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74 scr_WriteIncomingMessage(jid, wmsg, timestamp, message_flags);
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75
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76 // We don't log the message if it is an error message
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77 // or if it is a groupchat message
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78 // XXX We could use an option here to know if we should write GC messages...
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79 if (!is_groupchat && !(message_flags & HBB_PREFIX_ERR))
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80 hlog_write_message(jid, timestamp, FALSE, wmsg);
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81
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82 // External command
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83 // XXX We should avoid calling the function for history lines in MUC
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84 hk_ext_cmd(jid, (is_groupchat ? 'G' : 'M'), 'R', NULL);
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85
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86 // We need to rebuild the list if the sender is unknown or
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87 // if the sender is offline/invisible and hide_offline_buddies is set
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88 if (new_guy ||
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89 (roster_getstatus(jid, NULL) == offline &&
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90 buddylist_get_hide_offline_buddies()))
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91 {
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92 buddylist_build();
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93 update_roster = TRUE;
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94 }
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95
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96 if (rtype == ROSTER_TYPE_ROOM) g_free(wmsg);
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97 }
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98
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99 inline void hk_message_out(const char *jid, time_t timestamp, const char *msg)
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100 {
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101 scr_WriteOutgoingMessage(jid, msg);
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102 hlog_write_message(jid, timestamp, TRUE, msg);
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103 // External command
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104 hk_ext_cmd(jid, 'M', 'S', NULL);
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105 }
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106
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107 inline void hk_statuschange(const char *jid, const char *resname, gchar prio,
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108 time_t timestamp, enum imstatus status,
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109 const char *status_msg)
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110 {
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111 const char *rn = (resname ? resname : "default");
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112 scr_LogPrint(LPRINT_LOGNORM, "Buddy status has changed: [%c>%c] <%s/%s> %s",
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113 imstatus2char[roster_getstatus(jid, resname)],
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114 imstatus2char[status], jid, rn,
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115 ((status_msg) ? status_msg : ""));
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116 roster_setstatus(jid, rn, prio, status, status_msg);
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117 buddylist_build();
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118 scr_DrawRoster();
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119 hlog_write_status(jid, 0, status, status_msg);
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120 // External command
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121 hk_ext_cmd(jid, 'S', imstatus2char[status], NULL);
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122 }
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123
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124 inline void hk_mystatuschange(time_t timestamp,
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125 enum imstatus old_status, enum imstatus new_status, const char *msg)
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126 {
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127 if (!msg && (old_status == new_status))
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128 return;
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129
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130 scr_LogPrint(LPRINT_LOGNORM, "Your status has changed: [%c>%c] %s",
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131 imstatus2char[old_status], imstatus2char[new_status],
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132 ((msg) ? msg : ""));
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133 //hlog_write_status(NULL, 0, status);
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134 }
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135
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136
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137 /* External commands */
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138
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139 // hk_ext_cmd_init()
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140 // Initialize external command variable.
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141 // Can be called with parameter NULL to reset and free memory.
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142 void hk_ext_cmd_init(const char *command)
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143 {
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144 if (extcmd) {
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145 g_free(extcmd);
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146 extcmd = NULL;
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147 }
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148 if (command)
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149 extcmd = g_strdup(command);
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150 }
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151
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152 // hk_ext_cmd()
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153 // Launch an external command (process) for the given event.
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154 // For now, data should be NULL.
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155 void hk_ext_cmd(const char *jid, guchar type, guchar info, const char *data)
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156 {
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157 pid_t pid;
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158 char *arg_type = NULL;
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159 char *arg_info = NULL;
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160 char *arg_data = NULL;
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161 char status_str[2];
160
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162
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163 if (!extcmd) return;
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164
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165 // Prepare arg_* (external command parameters)
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166 switch (type) {
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167 case 'M':
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168 arg_type = "MSG";
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169 if (info == 'R')
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170 arg_info = "IN";
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171 else if (info == 'S')
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172 arg_info = "OUT";
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173 break;
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174 case 'G':
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175 arg_type = "MSG";
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176 arg_info = "MUC";
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177 break;
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178 case 'S':
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179 arg_type = "STATUS";
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180 if (strchr(imstatus2char, tolower(info))) {
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181 status_str[0] = toupper(info);
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182 status_str[1] = 0;
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183 arg_info = status_str;
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184 }
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185 break;
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186 default:
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187 return;
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188 }
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189
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190 if (!arg_type || !arg_info) return;
160
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191
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192 if ((pid=fork()) == -1) {
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193 scr_LogPrint(LPRINT_LOGNORM, "Fork error, cannot launch external command.");
160
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194 return;
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195 }
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196
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197 if (pid == 0) { // child
391
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198 if (execl(extcmd, extcmd, arg_type, arg_info, jid, arg_data, NULL) == -1) {
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199 // scr_LogPrint(LPRINT_LOGNORM, "Cannot execute external command.");
160
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200 exit(1);
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201 }
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202 }
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203 }
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204