Mercurial > ~mikael > mcabber > hg

annotate mcabber/mcabber/carbons.c @ 2223:965e0282c128

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Backed out changeset fa516ef22145 Turns out that in this hash the value pointer is the same as the key pointer, so there's no need to free both the key and the value.
author Mikael Berthe <mikael@lilotux.net>
date Fri, 06 Nov 2015 22:31:40 +0100
parents 2ce6dd6861ea
children f5402d705f67
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2111
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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 gboolean carbons_enabled()
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49 {
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50 return (_carbons_enabled != 0);
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51 }
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52
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53 void carbons_enable()
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54 {
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55 LmMessage *iq;
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56 LmMessageNode *enable;
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57 LmMessageHandler *handler;
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58 GError *error = NULL;
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59
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60 //We cannot enable carbons if there is no carbons support
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61 if (_carbons_available == 0) {
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62 scr_log_print(LPRINT_NORMAL, "Carbons not available on this server!");
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63 return;
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64 }
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65
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66 //We only have to enable carbons once
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67 if (_carbons_enabled == 1) {
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68 return;
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69 }
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70
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71 iq = lm_message_new_with_sub_type(NULL, LM_MESSAGE_TYPE_IQ,
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72 LM_MESSAGE_SUB_TYPE_SET);
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73
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74 enable = lm_message_node_add_child(iq->node, "enable", NULL);
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75 lm_message_node_set_attribute(enable, "xmlns", NS_CARBONS_2);
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76 handler = lm_message_handler_new(cb_carbons, NULL, NULL);
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77
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78 if (!lm_connection_send_with_reply(lconnection, iq, handler, &error)) {
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79 scr_log_print(LPRINT_DEBUG, "Error sending IQ request: %s.",
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80 error->message);
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81 g_error_free(error);
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82 }
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83
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84 lm_message_handler_unref(handler);
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85 lm_message_unref(iq);
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86 }
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87
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88 // Mark carbons as disabled (e.g. when a connection terminates)
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89 void carbons_reset()
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90 {
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91 _carbons_enabled = 0;
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92 }
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93
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94 void carbons_disable()
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95 {
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96 LmMessage *iq;
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97 LmMessageNode *disable;
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98 LmMessageHandler *handler;
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99 GError *error = NULL;
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100
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101 //We cannot disable carbons if there is no carbon support on the server
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102 if (_carbons_available == 0) {
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103 scr_log_print(LPRINT_NORMAL, "Carbons not available on this server!");
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104 return;
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105 }
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106
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107 //We can only disable carbons if they are disabled
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108 if (_carbons_enabled == 0) {
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109 return;
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110 }
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111
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112 iq = lm_message_new_with_sub_type(NULL, LM_MESSAGE_TYPE_IQ,
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113 LM_MESSAGE_SUB_TYPE_SET);
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114
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115 disable = lm_message_node_add_child(iq->node, "disable", NULL);
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116 lm_message_node_set_attribute(disable, "xmlns", NS_CARBONS_2);
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117 handler = lm_message_handler_new(cb_carbons, NULL, NULL);
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118
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119 if (!lm_connection_send_with_reply(lconnection, iq, handler, &error)) {
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120 scr_log_print(LPRINT_DEBUG, "Error sending IQ request: %s.",
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121 error->message);
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122 g_error_free(error);
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123 }
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124
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125 lm_message_handler_unref(handler);
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126 lm_message_unref(iq);
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127
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128 }
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129
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130 void carbons_info()
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131 {
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132 if (_carbons_enabled) {
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133 scr_log_print(LPRINT_NORMAL, "Carbons enabled.");
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134 } else {
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135 if (_carbons_available) {
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136 scr_log_print(LPRINT_NORMAL, "Carbons available, but not enabled.");
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137 } else {
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138 scr_log_print(LPRINT_NORMAL, "Carbons not available.");
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139 }
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140 }
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141 }
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142
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143 static LmHandlerResult cb_carbons(LmMessageHandler *h, LmConnection *c,
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144 LmMessage *m, gpointer user_data)
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145 {
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146 if (lm_message_get_sub_type(m) == LM_MESSAGE_SUB_TYPE_RESULT) {
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147 _carbons_enabled = (_carbons_enabled == 0 ? 1 : 0);
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148 if (_carbons_enabled) {
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149 scr_log_print(LPRINT_NORMAL, "Carbons enabled.");
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150 } else {
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151 scr_log_print(LPRINT_NORMAL, "Carbons disabled.");
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152 }
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153 } else {
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154 //Handle error cases
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155 }
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156
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157 return LM_HANDLER_RESULT_REMOVE_MESSAGE;
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158 }
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159
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160 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */