Mercurial > ~mikael > mcabber > hg

annotate mcabber/mcabber/carbons.c @ 2135:361603828d9e

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Set the trace log file permissions again when we write to it If the log file is recreated (e.g. log rotation) the new file will have correct permissions.
author Mikael Berthe <mikael@lilotux.net>
date Sun, 06 Jul 2014 10:20:30 +0200
parents 51fde9c25401
children 2ce6dd6861ea
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1 /*
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2 * carbons.c -- Support for Message Carbons (XEP 0280)
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3 *
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4 * Copyright (C) 2013 Roeland Jago Douma <roeland@famdouma.nl>
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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 "carbons.h"
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23 #include "settings.h"
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24 #include "xmpp_helper.h"
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25 #include "xmpp_defines.h"
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26 #include "logprint.h"
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27 #include "xmpp.h"
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28
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29 static int _carbons_available = 0;
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30 static int _carbons_enabled = 0;
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31
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32 static LmHandlerResult cb_carbons(LmMessageHandler *h, LmConnection *c,
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33 LmMessage *m, gpointer user_data);
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34
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35
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36 void carbons_available()
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37 {
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38 int enable = 0;
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39 _carbons_available = 1;
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40
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41 enable = settings_opt_get_int("carbons");
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42
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43 if (enable) {
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44 carbons_enable();
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45 }
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46 }
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47
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48 void carbons_enable()
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49 {
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50 LmMessage *iq;
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51 LmMessageNode *enable;
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52 LmMessageHandler *handler;
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53 GError *error = NULL;
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54
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55 //We cannot enable carbons if there is no carbons support
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56 if (_carbons_available == 0) {
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57 scr_log_print(LPRINT_NORMAL, "Carbons not available on this server!");
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58 return;
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59 }
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60
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61 //We only have to enable carbons once
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62 if (_carbons_enabled == 1) {
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63 return;
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64 }
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65
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66 iq = lm_message_new_with_sub_type(NULL, LM_MESSAGE_TYPE_IQ,
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67 LM_MESSAGE_SUB_TYPE_SET);
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68
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69 enable = lm_message_node_add_child(iq->node, "enable", NULL);
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70 lm_message_node_set_attribute(enable, "xmlns", NS_CARBONS_2);
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71 handler = lm_message_handler_new(cb_carbons, NULL, NULL);
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72
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73 if (!lm_connection_send_with_reply(lconnection, iq, handler, &error)) {
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74 scr_log_print(LPRINT_DEBUG, "Error sending IQ request: %s.",
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75 error->message);
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76 g_error_free(error);
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77 }
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78
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79 lm_message_handler_unref(handler);
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80 lm_message_unref(iq);
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81 }
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82
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83 // Mark carbons as disabled (e.g. when a connection terminates)
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84 void carbons_reset()
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85 {
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86 _carbons_enabled = 0;
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87 }
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88
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89 void carbons_disable()
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90 {
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91 LmMessage *iq;
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92 LmMessageNode *disable;
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93 LmMessageHandler *handler;
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94 GError *error = NULL;
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95
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96 //We cannot disable carbons if there is no carbon support on the server
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97 if (_carbons_available == 0) {
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98 scr_log_print(LPRINT_NORMAL, "Carbons not available on this server!");
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99 return;
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100 }
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101
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102 //We can only disable carbons if they are disabled
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103 if (_carbons_enabled == 0) {
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104 return;
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105 }
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106
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107 iq = lm_message_new_with_sub_type(NULL, LM_MESSAGE_TYPE_IQ,
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108 LM_MESSAGE_SUB_TYPE_SET);
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109
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110 disable = lm_message_node_add_child(iq->node, "disable", NULL);
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111 lm_message_node_set_attribute(disable, "xmlns", NS_CARBONS_2);
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112 handler = lm_message_handler_new(cb_carbons, NULL, NULL);
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113
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114 if (!lm_connection_send_with_reply(lconnection, iq, handler, &error)) {
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115 scr_log_print(LPRINT_DEBUG, "Error sending IQ request: %s.",
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116 error->message);
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117 g_error_free(error);
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118 }
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119
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120 lm_message_handler_unref(handler);
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121 lm_message_unref(iq);
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122
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123 }
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124
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125 void carbons_info()
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126 {
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127 if (_carbons_enabled) {
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128 scr_log_print(LPRINT_NORMAL, "Carbons enabled.");
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129 } else {
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130 if (_carbons_available) {
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131 scr_log_print(LPRINT_NORMAL, "Carbons available, but not enabled.");
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132 } else {
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133 scr_log_print(LPRINT_NORMAL, "Carbons not available.");
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134 }
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135 }
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136 }
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137
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138 static LmHandlerResult cb_carbons(LmMessageHandler *h, LmConnection *c,
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139 LmMessage *m, gpointer user_data)
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140 {
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141 if (lm_message_get_sub_type(m) == LM_MESSAGE_SUB_TYPE_RESULT) {
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142 _carbons_enabled = (_carbons_enabled == 0 ? 1 : 0);
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143 if (_carbons_enabled) {
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144 scr_log_print(LPRINT_NORMAL, "Carbons enabled.");
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145 } else {
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146 scr_log_print(LPRINT_NORMAL, "Carbons disabled.");
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147 }
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148 } else {
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149 //Handle error cases
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150 }
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151
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152 return LM_HANDLER_RESULT_REMOVE_MESSAGE;
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153 }
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154
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155 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */