annotate mcabber/mcabber/xmpp_helper.c @ 2020:46a21258ad91

Fix some compiler warnings
author Myhailo Danylenko <isbear@ukrpost.net>
date Sat, 28 Jul 2012 22:10:12 +0300
parents 51f032d5ca22
children f740c4128f76
rev   line source
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1 /*
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2 * xmpp_helper.c -- Jabber protocol helper functions
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3 *
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4 * Copyright (C) 2008-2010 Frank Zschockelt <mcabber@freakysoft.de>
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5 * Copyright (C) 2005-2010 Mikael Berthe <mikael@lilotux.net>
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6 *
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7 * This program is free software; you can redistribute it and/or modify
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8 * it under the terms of the GNU General Public License as published by
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9 * the Free Software Foundation; either version 2 of the License, or (at
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10 * your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with this program; if not, write to the Free Software
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19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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20 * USA
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21 */
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22
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23 #include <string.h>
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24 #include <stdlib.h>
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25 #include <stdio.h> // snprintf
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26
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27 #include "xmpp_helper.h"
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28 #include "settings.h"
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29 #include "utils.h"
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30 #include "caps.h"
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31 #include "logprint.h"
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32 #include "config.h"
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33
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34 time_t iqlast; // last message/status change time
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35
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36 extern char *imstatus_showmap[];
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37
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38 struct xmpp_error xmpp_errors[] = {
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39 {XMPP_ERROR_REDIRECT, "302",
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40 "Redirect", "redirect", "modify"},
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41 {XMPP_ERROR_BAD_REQUEST, "400",
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42 "Bad Request", "bad-request", "modify"},
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43 {XMPP_ERROR_NOT_AUTHORIZED, "401",
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44 "Not Authorized", "not-authorized", "auth"},
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45 {XMPP_ERROR_PAYMENT_REQUIRED, "402",
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46 "Payment Required", "payment-required", "auth"},
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47 {XMPP_ERROR_FORBIDDEN, "403",
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48 "Forbidden", "forbidden", "auth"},
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49 {XMPP_ERROR_NOT_FOUND, "404",
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50 "Not Found", "item-not-found", "cancel"},
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51 {XMPP_ERROR_NOT_ALLOWED, "405",
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52 "Not Allowed", "not-allowed", "cancel"},
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53 {XMPP_ERROR_NOT_ACCEPTABLE, "406",
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54 "Not Acceptable", "not-acceptable", "modify"},
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55 {XMPP_ERROR_REGISTRATION_REQUIRED, "407",
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56 "Registration required", "registration-required", "auth"},
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57 {XMPP_ERROR_REQUEST_TIMEOUT, "408",
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58 "Request Timeout", "remote-server-timeout", "wait"},
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59 {XMPP_ERROR_CONFLICT, "409",
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60 "Conflict", "conflict", "cancel"},
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61 {XMPP_ERROR_INTERNAL_SERVER_ERROR, "500",
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62 "Internal Server Error", "internal-server-error", "wait"},
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63 {XMPP_ERROR_NOT_IMPLEMENTED, "501",
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64 "Not Implemented", "feature-not-implemented", "cancel"},
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65 {XMPP_ERROR_REMOTE_SERVER_ERROR, "502",
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66 "Remote Server Error", "service-unavailable", "wait"},
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67 {XMPP_ERROR_SERVICE_UNAVAILABLE, "503",
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68 "Service Unavailable", "service-unavailable", "cancel"},
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69 {XMPP_ERROR_REMOTE_SERVER_TIMEOUT, "504",
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70 "Remote Server Timeout", "remote-server-timeout", "wait"},
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71 {XMPP_ERROR_DISCONNECTED, "510",
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72 "Disconnected", "service-unavailable", "cancel"},
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73 {0, NULL, NULL, NULL, NULL}
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74 };
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75
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76
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77 #ifdef MODULES_ENABLE
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78 static GSList *xmpp_additional_features = NULL;
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79 static char *ver, *ver_notavail;
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80
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81 void xmpp_add_feature(const char *xmlns)
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82 {
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83 if (xmlns) {
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84 ver = NULL;
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85 ver_notavail = NULL;
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86 xmpp_additional_features = g_slist_append(xmpp_additional_features,
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87 g_strdup(xmlns));
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88 }
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89 }
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90
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91 void xmpp_del_feature(const char *xmlns)
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92 {
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93 GSList *feature = xmpp_additional_features;
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94 while (feature) {
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95 if (!strcmp(feature->data, xmlns)) {
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96 ver = NULL;
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97 ver_notavail = NULL;
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98 g_free(feature->data);
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99 xmpp_additional_features = g_slist_delete_link(xmpp_additional_features,
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100 feature);
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101 return;
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102 }
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103 feature = g_slist_next(feature);
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104 }
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105 }
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106 #endif
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107
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108 const gchar* lm_message_node_get_child_value(LmMessageNode *node,
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109 const gchar *child)
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110 {
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111 LmMessageNode *tmp;
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112 tmp = lm_message_node_find_child(node, child);
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113 if (tmp) {
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114 const gchar *val = lm_message_node_get_value(tmp);
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115 return (val ? val : "");
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116 }
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117 return NULL;
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118 }
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119
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120 static LmMessageNode *hidden = NULL;
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121
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122 void lm_message_node_hide(LmMessageNode *node)
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123 {
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124 LmMessageNode *parent = node->parent, *prev_sibling = node->prev;
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125
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126 if (hidden) {
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127 hidden->children = hidden->next = hidden->prev = hidden->parent = NULL;
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128 lm_message_node_unref(hidden);
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129 }
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130
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131 if (parent->children == node)
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132 parent->children = node->next;
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133 if (prev_sibling)
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134 prev_sibling->next = node->next;
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135 if (node->next)
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136 node->next->prev = prev_sibling;
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137 }
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138
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139 // Maybe not a good idea, because it uses internals of loudmouth...
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140 // It's used for rosternotes/bookmarks
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141 LmMessageNode *lm_message_node_new(const gchar *name, const gchar *xmlns)
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142 {
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143 LmMessageNode *node;
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144
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145 node = g_new0 (LmMessageNode, 1);
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146 node->name = g_strdup (name);
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147 node->value = NULL;
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148 node->raw_mode = FALSE;
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149 node->attributes = NULL;
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150 node->next = NULL;
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151 node->prev = NULL;
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152 node->parent = NULL;
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153 node->children = NULL;
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154
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155 node->ref_count = 1;
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156 lm_message_node_set_attribute(node, "xmlns", xmlns);
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157 return node;
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158 }
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159
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160 void lm_message_node_insert_childnode(LmMessageNode *node,
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161 LmMessageNode *child)
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162 {
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163 LmMessageNode *x;
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164 lm_message_node_deep_ref(child);
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165
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166 if (node->children == NULL)
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167 node->children = child;
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168 else {
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169 for (x = node->children; x->next; x = x->next)
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170 ;
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171 x->next = child;
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172 }
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173 }
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174
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175 void lm_message_node_deep_ref(LmMessageNode *node)
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176 {
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177 if (node == NULL)
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178 return;
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179 lm_message_node_ref(node);
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180 lm_message_node_deep_ref(node->next);
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181 lm_message_node_deep_ref(node->children);
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182 }
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183
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184 const gchar* lm_message_get_from(LmMessage *m)
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185 {
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186 return lm_message_node_get_attribute(m->node, "from");
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187 }
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188
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189 const gchar* lm_message_get_id(LmMessage *m)
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190 {
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191 return lm_message_node_get_attribute(m->node, "id");
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192 }
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193
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194 LmMessage *lm_message_new_iq_from_query(LmMessage *m,
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195 LmMessageSubType type)
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196 {
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197 LmMessage *new;
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198 const char *from = lm_message_node_get_attribute(m->node, "from");
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199 const char *id = lm_message_node_get_attribute(m->node, "id");
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200
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201 new = lm_message_new_with_sub_type(from, LM_MESSAGE_TYPE_IQ,
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202 type);
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203 if (id)
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204 lm_message_node_set_attribute(new->node, "id", id);
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205
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206 return new;
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207 }
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208
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209 // entity_version(enum imstatus status)
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210 // Return a static version string for Entity Capabilities.
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211 // It should be specific to the client version, please change the id
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212 // if you alter mcabber's disco support (or add something to the version
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213 // number) so that it doesn't conflict with the official client.
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214 const char *entity_version(enum imstatus status)
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215 {
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216 #ifndef MODULES_ENABLE
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217 static char *ver, *ver_notavail;
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218 #endif
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219
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220 if (ver && (status != notavail))
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221 return ver;
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222 if (ver_notavail)
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223 return ver_notavail;
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224
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225 caps_add("");
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226 caps_set_identity("", "client", PACKAGE_STRING, "pc");
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227 caps_add_feature("", NS_DISCO_INFO);
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51f032d5ca22 Add support for XEP-0115 Entity Capabilities, with offline cache
Hermitifier
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228 caps_add_feature("", NS_CAPS);
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229 caps_add_feature("", NS_MUC);
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230 // advertise ChatStates only if they aren't disabled
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231 if (!settings_opt_get_int("disable_chatstates"))
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232 caps_add_feature("", NS_CHATSTATES);
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233 caps_add_feature("", NS_TIME);
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234 caps_add_feature("", NS_XMPP_TIME);
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235 caps_add_feature("", NS_VERSION);
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236 caps_add_feature("", NS_PING);
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237 caps_add_feature("", NS_COMMANDS);
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f4a2c6f767d1 Message Receipts support (XEP-0184)
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238 caps_add_feature("", NS_RECEIPTS);
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1a01a7ef4e43 Add support for XEP-0249 / Direct MUC Invitations (Myhailo Danylenko)
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parents: 1901
diff changeset
239 caps_add_feature("", NS_X_CONFERENCE);
1600
c5ee395fbc8c Updated Entity Capabilities support (XEP-0115)
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240 if (!settings_opt_get_int("iq_last_disable") &&
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241 (!settings_opt_get_int("iq_last_disable_when_notavail") ||
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242 status != notavail))
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243 caps_add_feature("", NS_LAST);
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244 #ifdef MODULES_ENABLE
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245 {
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246 GSList *el = xmpp_additional_features;
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247 while (el) {
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248 caps_add_feature("", el->data);
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249 el = g_slist_next(el);
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diff changeset
250 }
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diff changeset
251 }
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252 #endif
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253
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c5ee395fbc8c Updated Entity Capabilities support (XEP-0115)
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254 if (status == notavail) {
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255 ver_notavail = caps_generate();
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256 return ver_notavail;
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diff changeset
257 }
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258
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259 ver = caps_generate();
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260 return ver;
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261 }
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262
1604
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diff changeset
263 LmMessageNode *lm_message_node_find_xmlns(LmMessageNode *node,
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parents: 1602
diff changeset
264 const char *xmlns)
1598
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265 {
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266 LmMessageNode *x;
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267 const char *p;
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268
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269 for (x = node->children ; x; x = x->next) {
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270 if ((p = lm_message_node_get_attribute(x, "xmlns")) && !strcmp(p, xmlns))
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271 break;
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272 }
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273 return x;
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274 }
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275
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diff changeset
276 time_t lm_message_node_get_timestamp(LmMessageNode *node)
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277 {
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278 LmMessageNode *x;
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279 const char *p;
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280
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281 x = lm_message_node_find_xmlns(node, NS_XMPP_DELAY);
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282 if (x && (!strcmp(x->name, "delay")) &&
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283 (p = lm_message_node_get_attribute(x, "stamp")) != NULL)
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284 return from_iso8601(p, 1);
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285 x = lm_message_node_find_xmlns(node, NS_DELAY);
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286 if (x && (p = lm_message_node_get_attribute(x, "stamp")) != NULL)
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287 return from_iso8601(p, 1);
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288 return 0;
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289 }
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290
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291 // lm_message_new_presence(status, recipient, message)
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292 // Create an xmlnode with default presence attributes
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293 // Note: the caller must free the node after use
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351427ef0b4b Remove #include's of C files
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diff changeset
294 LmMessage *lm_message_new_presence(enum imstatus st,
351427ef0b4b Remove #include's of C files
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parents: 1602
diff changeset
295 const char *recipient,
351427ef0b4b Remove #include's of C files
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parents: 1602
diff changeset
296 const char *msg)
1598
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297 {
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diff changeset
298 unsigned int prio;
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299 LmMessage *x = lm_message_new(recipient, LM_MESSAGE_TYPE_PRESENCE);
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300
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diff changeset
301 switch(st) {
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parents:
diff changeset
302 case away:
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parents:
diff changeset
303 case notavail:
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304 case dontdisturb:
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305 case freeforchat:
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306 lm_message_node_add_child(x->node, "show", imstatus_showmap[st]);
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diff changeset
307 break;
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308
1972
45f0f0f60656 Remove deprecated status invisible
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parents: 1951
diff changeset
309 #ifdef WITH_DEPRECATED_STATUS_INVISIBLE
1598
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parents:
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310 case invisible:
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311 lm_message_node_set_attribute(x->node, "type", "invisible");
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312 break;
1972
45f0f0f60656 Remove deprecated status invisible
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parents: 1951
diff changeset
313 #endif
1598
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314
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315 case offline:
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316 lm_message_node_set_attribute(x->node, "type", "unavailable");
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317 break;
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318
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parents:
diff changeset
319 default:
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320 break;
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321 }
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322
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323 if (st == away || st == notavail)
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324 prio = settings_opt_get_int("priority_away");
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325 else
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326 prio = settings_opt_get_int("priority");
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327
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328 if (prio) {
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329 char strprio[8];
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330 snprintf(strprio, 8, "%d", (int)prio);
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331 lm_message_node_add_child(x->node, "priority", strprio);
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332 }
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333
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334 if (msg)
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335 lm_message_node_add_child(x->node, "status", msg);
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336
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337 return x;
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338 }
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339
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340 static const char *defaulterrormsg(guint code)
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341 {
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342 int i;
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343
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344 for (i = 0; xmpp_errors[i].code; ++i) {
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345 if (xmpp_errors[i].code == code)
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346 return xmpp_errors[i].meaning;
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347 }
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348 return NULL;
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349 }
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350
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351 // display_server_error(x)
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352 // Display the error to the user
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353 // x: error tag xmlnode pointer
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354 void display_server_error(LmMessageNode *x, const char *from)
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355 {
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356 const char *desc = NULL, *errname = NULL, *s;
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357 char *sdesc, *tmp;
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358
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359 if (!x) return;
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360
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361 /* RFC3920:
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362 * The <error/> element:
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363 * o MUST contain a child element corresponding to one of the defined
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364 * stanza error conditions specified below; this element MUST be
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365 * qualified by the 'urn:ietf:params:xml:ns:xmpp-stanzas' namespace.
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366 */
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367 if (x->children)
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368 errname = x->children->name;
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369
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370 if (from)
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371 scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s] from <%s>",
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372 (errname ? errname : ""), from);
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373 else
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374 scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s]",
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375 (errname ? errname : ""));
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376
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377 // For backward compatibility
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378 if (!errname && ((s = lm_message_node_get_attribute(x, "code")) != NULL)) {
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379 // Default message
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380 desc = defaulterrormsg(atoi(s));
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381 }
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382
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383 // Error tag data is better, if available
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384 s = lm_message_node_get_value(x);
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385 if (s && *s) desc = s;
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386
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387 // And sometimes there is a text message
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388 s = lm_message_node_get_child_value(x, "text");
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389
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390 if (s && *s) desc = s;
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391
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392 // If we still have no description, let's give up
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393 if (!desc || !*desc)
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394 return;
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395
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396 // Strip trailing newlines
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397 sdesc = g_strdup(desc);
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398 for (tmp = sdesc; *tmp; tmp++) ;
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399 if (tmp > sdesc)
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400 tmp--;
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401 while (tmp >= sdesc && (*tmp == '\n' || *tmp == '\r'))
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402 *tmp-- = '\0';
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403
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404 if (*sdesc)
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405 scr_LogPrint(LPRINT_LOGNORM, "Error message from server: %s", sdesc);
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406 g_free(sdesc);
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407 }
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408
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409 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */