Mercurial > hg
annotate mcabber/mcabber/xmpp_helper.c @ 2295:eb96666502f5
Carbons: Check barejid in sent messages, too
author | franky |
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date | Sun, 29 Jan 2017 20:44:11 +0100 |
parents | f5402d705f67 |
children | 4f3821bda633 |
rev | line source |
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1598 | 1 /* |
1599 | 2 * xmpp_helper.c -- Jabber protocol helper functions |
1598 | 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> |
1598 | 6 * |
7 * This program is free software; you can redistribute it and/or modify | |
8 * it under the terms of the GNU General Public License as published by | |
9 * the Free Software Foundation; either version 2 of the License, or (at | |
10 * your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU General Public License | |
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18 * along with this program; if not, see <http://www.gnu.org/licenses/>. |
1598 | 19 */ |
20 | |
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21 #include <string.h> |
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22 #include <stdlib.h> |
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23 #include <stdio.h> // snprintf |
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24 |
1598 | 25 #include "xmpp_helper.h" |
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26 #include "settings.h" |
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27 #include "utils.h" |
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28 #include "caps.h" |
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29 #include "logprint.h" |
1607 | 30 #include "config.h" |
1598 | 31 |
32 time_t iqlast; // last message/status change time | |
33 | |
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34 extern char *imstatus_showmap[]; |
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35 |
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36 struct xmpp_error xmpp_errors[] = { |
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37 {XMPP_ERROR_REDIRECT, "302", |
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38 "Redirect", "redirect", "modify"}, |
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39 {XMPP_ERROR_BAD_REQUEST, "400", |
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40 "Bad Request", "bad-request", "modify"}, |
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41 {XMPP_ERROR_NOT_AUTHORIZED, "401", |
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42 "Not Authorized", "not-authorized", "auth"}, |
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43 {XMPP_ERROR_PAYMENT_REQUIRED, "402", |
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44 "Payment Required", "payment-required", "auth"}, |
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45 {XMPP_ERROR_FORBIDDEN, "403", |
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46 "Forbidden", "forbidden", "auth"}, |
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47 {XMPP_ERROR_NOT_FOUND, "404", |
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48 "Not Found", "item-not-found", "cancel"}, |
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49 {XMPP_ERROR_NOT_ALLOWED, "405", |
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50 "Not Allowed", "not-allowed", "cancel"}, |
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51 {XMPP_ERROR_NOT_ACCEPTABLE, "406", |
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52 "Not Acceptable", "not-acceptable", "modify"}, |
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53 {XMPP_ERROR_REGISTRATION_REQUIRED, "407", |
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54 "Registration required", "registration-required", "auth"}, |
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55 {XMPP_ERROR_REQUEST_TIMEOUT, "408", |
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56 "Request Timeout", "remote-server-timeout", "wait"}, |
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57 {XMPP_ERROR_CONFLICT, "409", |
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58 "Conflict", "conflict", "cancel"}, |
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59 {XMPP_ERROR_INTERNAL_SERVER_ERROR, "500", |
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60 "Internal Server Error", "internal-server-error", "wait"}, |
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61 {XMPP_ERROR_NOT_IMPLEMENTED, "501", |
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62 "Not Implemented", "feature-not-implemented", "cancel"}, |
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63 {XMPP_ERROR_REMOTE_SERVER_ERROR, "502", |
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64 "Remote Server Error", "service-unavailable", "wait"}, |
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65 {XMPP_ERROR_SERVICE_UNAVAILABLE, "503", |
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66 "Service Unavailable", "service-unavailable", "cancel"}, |
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67 {XMPP_ERROR_REMOTE_SERVER_TIMEOUT, "504", |
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68 "Remote Server Timeout", "remote-server-timeout", "wait"}, |
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69 {XMPP_ERROR_DISCONNECTED, "510", |
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70 "Disconnected", "service-unavailable", "cancel"}, |
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71 {0, NULL, NULL, NULL, NULL} |
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72 }; |
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73 |
1607 | 74 #ifdef MODULES_ENABLE |
75 static GSList *xmpp_additional_features = NULL; | |
76 static char *ver, *ver_notavail; | |
77 | |
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78 void xmpp_add_feature(const char *xmlns) |
1607 | 79 { |
80 if (xmlns) { | |
81 ver = NULL; | |
82 ver_notavail = NULL; | |
83 xmpp_additional_features = g_slist_append(xmpp_additional_features, | |
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84 g_strdup(xmlns)); |
1607 | 85 } |
86 } | |
87 | |
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88 void xmpp_del_feature(const char *xmlns) |
1607 | 89 { |
90 GSList *feature = xmpp_additional_features; | |
91 while (feature) { | |
92 if (!strcmp(feature->data, xmlns)) { | |
93 ver = NULL; | |
94 ver_notavail = NULL; | |
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95 g_free(feature->data); |
1607 | 96 xmpp_additional_features = g_slist_delete_link(xmpp_additional_features, |
97 feature); | |
98 return; | |
99 } | |
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100 feature = g_slist_next(feature); |
1607 | 101 } |
102 } | |
103 #endif | |
104 | |
1598 | 105 const gchar* lm_message_node_get_child_value(LmMessageNode *node, |
106 const gchar *child) | |
107 { | |
108 LmMessageNode *tmp; | |
2210 | 109 |
110 if (G_UNLIKELY(!node || !child)) return NULL; | |
111 | |
1598 | 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; |
1598 | 118 } |
119 | |
120 static LmMessageNode *hidden = NULL; | |
121 | |
122 void lm_message_node_hide(LmMessageNode *node) | |
123 { | |
124 LmMessageNode *parent = node->parent, *prev_sibling = node->prev; | |
125 | |
126 if (hidden) { | |
127 hidden->children = hidden->next = hidden->prev = hidden->parent = NULL; | |
128 lm_message_node_unref(hidden); | |
129 } | |
130 | |
131 if (parent->children == node) | |
132 parent->children = node->next; | |
133 if (prev_sibling) | |
134 prev_sibling->next = node->next; | |
135 if (node->next) | |
136 node->next->prev = prev_sibling; | |
137 } | |
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 |
1598 | 141 LmMessageNode *lm_message_node_new(const gchar *name, const gchar *xmlns) |
142 { | |
143 LmMessageNode *node; | |
144 | |
145 node = g_new0 (LmMessageNode, 1); | |
2210 | 146 if (G_UNLIKELY(!node)) return NULL; |
147 | |
1598 | 148 node->name = g_strdup (name); |
149 node->value = NULL; | |
150 node->raw_mode = FALSE; | |
151 node->attributes = NULL; | |
152 node->next = NULL; | |
153 node->prev = NULL; | |
154 node->parent = NULL; | |
155 node->children = NULL; | |
156 | |
157 node->ref_count = 1; | |
158 lm_message_node_set_attribute(node, "xmlns", xmlns); | |
159 return node; | |
160 } | |
161 | |
162 void lm_message_node_insert_childnode(LmMessageNode *node, | |
163 LmMessageNode *child) | |
164 { | |
165 LmMessageNode *x; | |
2210 | 166 if (G_UNLIKELY(!node)) return; |
1598 | 167 lm_message_node_deep_ref(child); |
168 | |
169 if (node->children == NULL) | |
170 node->children = child; | |
171 else { | |
172 for (x = node->children; x->next; x = x->next) | |
173 ; | |
174 x->next = child; | |
175 } | |
176 } | |
177 | |
178 void lm_message_node_deep_ref(LmMessageNode *node) | |
179 { | |
2210 | 180 if (G_UNLIKELY(!node)) return; |
1598 | 181 lm_message_node_ref(node); |
182 lm_message_node_deep_ref(node->next); | |
183 lm_message_node_deep_ref(node->children); | |
184 } | |
185 | |
186 const gchar* lm_message_get_from(LmMessage *m) | |
187 { | |
188 return lm_message_node_get_attribute(m->node, "from"); | |
189 } | |
190 | |
191 const gchar* lm_message_get_id(LmMessage *m) | |
192 { | |
193 return lm_message_node_get_attribute(m->node, "id"); | |
194 } | |
195 | |
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196 LmMessage *lm_message_new_iq_from_query(LmMessage *m, |
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197 LmMessageSubType type) |
1598 | 198 { |
199 LmMessage *new; | |
200 const char *from = lm_message_node_get_attribute(m->node, "from"); | |
201 const char *id = lm_message_node_get_attribute(m->node, "id"); | |
202 | |
203 new = lm_message_new_with_sub_type(from, LM_MESSAGE_TYPE_IQ, | |
204 type); | |
205 if (id) | |
206 lm_message_node_set_attribute(new->node, "id", id); | |
207 | |
208 return new; | |
209 } | |
210 | |
1600 | 211 // entity_version(enum imstatus status) |
1598 | 212 // Return a static version string for Entity Capabilities. |
213 // It should be specific to the client version, please change the id | |
214 // if you alter mcabber's disco support (or add something to the version | |
215 // number) so that it doesn't conflict with the official client. | |
1600 | 216 const char *entity_version(enum imstatus status) |
1598 | 217 { |
1607 | 218 #ifndef MODULES_ENABLE |
1600 | 219 static char *ver, *ver_notavail; |
1607 | 220 #endif |
1598 | 221 |
1600 | 222 if (ver && (status != notavail)) |
1598 | 223 return ver; |
1600 | 224 if (ver_notavail) |
225 return ver_notavail; | |
1598 | 226 |
1600 | 227 caps_add(""); |
228 caps_set_identity("", "client", PACKAGE_STRING, "pc"); | |
229 caps_add_feature("", NS_DISCO_INFO); | |
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230 caps_add_feature("", NS_CAPS); |
1600 | 231 caps_add_feature("", NS_MUC); |
232 // advertise ChatStates only if they aren't disabled | |
233 if (!settings_opt_get_int("disable_chatstates")) | |
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234 caps_add_feature("", NS_CHATSTATES); |
1600 | 235 caps_add_feature("", NS_TIME); |
236 caps_add_feature("", NS_XMPP_TIME); | |
237 caps_add_feature("", NS_VERSION); | |
238 caps_add_feature("", NS_PING); | |
239 caps_add_feature("", NS_COMMANDS); | |
1602 | 240 caps_add_feature("", NS_RECEIPTS); |
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241 caps_add_feature("", NS_X_CONFERENCE); |
1600 | 242 if (!settings_opt_get_int("iq_last_disable") && |
243 (!settings_opt_get_int("iq_last_disable_when_notavail") || | |
244 status != notavail)) | |
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245 caps_add_feature("", NS_LAST); |
1607 | 246 #ifdef MODULES_ENABLE |
247 { | |
248 GSList *el = xmpp_additional_features; | |
249 while (el) { | |
250 caps_add_feature("", el->data); | |
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251 el = g_slist_next(el); |
1607 | 252 } |
253 } | |
254 #endif | |
1598 | 255 |
1600 | 256 if (status == notavail) { |
257 ver_notavail = caps_generate(); | |
258 return ver_notavail; | |
259 } | |
260 | |
261 ver = caps_generate(); | |
1598 | 262 return ver; |
263 } | |
264 | |
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265 LmMessageNode *lm_message_node_find_xmlns(LmMessageNode *node, |
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266 const char *xmlns) |
1598 | 267 { |
268 LmMessageNode *x; | |
269 const char *p; | |
270 | |
2210 | 271 if (G_UNLIKELY(!node)) return NULL; |
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272 |
1598 | 273 for (x = node->children ; x; x = x->next) { |
274 if ((p = lm_message_node_get_attribute(x, "xmlns")) && !strcmp(p, xmlns)) | |
275 break; | |
276 } | |
277 return x; | |
278 } | |
279 | |
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280 time_t lm_message_node_get_timestamp(LmMessageNode *node) |
1598 | 281 { |
282 LmMessageNode *x; | |
283 const char *p; | |
284 | |
285 x = lm_message_node_find_xmlns(node, NS_XMPP_DELAY); | |
286 if (x && (!strcmp(x->name, "delay")) && | |
287 (p = lm_message_node_get_attribute(x, "stamp")) != NULL) | |
288 return from_iso8601(p, 1); | |
289 x = lm_message_node_find_xmlns(node, NS_DELAY); | |
290 if (x && (p = lm_message_node_get_attribute(x, "stamp")) != NULL) | |
291 return from_iso8601(p, 1); | |
292 return 0; | |
293 } | |
294 | |
295 // lm_message_new_presence(status, recipient, message) | |
296 // Create an xmlnode with default presence attributes | |
297 // Note: the caller must free the node after use | |
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298 LmMessage *lm_message_new_presence(enum imstatus st, |
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299 const char *recipient, |
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300 const char *msg) |
1598 | 301 { |
302 unsigned int prio; | |
303 LmMessage *x = lm_message_new(recipient, LM_MESSAGE_TYPE_PRESENCE); | |
304 | |
305 switch(st) { | |
306 case away: | |
307 case notavail: | |
308 case dontdisturb: | |
309 case freeforchat: | |
310 lm_message_node_add_child(x->node, "show", imstatus_showmap[st]); | |
311 break; | |
312 | |
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313 #ifdef WITH_DEPRECATED_STATUS_INVISIBLE |
1598 | 314 case invisible: |
315 lm_message_node_set_attribute(x->node, "type", "invisible"); | |
316 break; | |
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317 #endif |
1598 | 318 |
319 case offline: | |
320 lm_message_node_set_attribute(x->node, "type", "unavailable"); | |
321 break; | |
322 | |
323 default: | |
324 break; | |
325 } | |
326 | |
327 if (st == away || st == notavail) | |
328 prio = settings_opt_get_int("priority_away"); | |
329 else | |
330 prio = settings_opt_get_int("priority"); | |
331 | |
332 if (prio) { | |
333 char strprio[8]; | |
334 snprintf(strprio, 8, "%d", (int)prio); | |
335 lm_message_node_add_child(x->node, "priority", strprio); | |
336 } | |
337 | |
338 if (msg) | |
339 lm_message_node_add_child(x->node, "status", msg); | |
340 | |
341 return x; | |
342 } | |
343 | |
344 static const char *defaulterrormsg(guint code) | |
345 { | |
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346 int i; |
1598 | 347 |
348 for (i = 0; xmpp_errors[i].code; ++i) { | |
349 if (xmpp_errors[i].code == code) | |
350 return xmpp_errors[i].meaning; | |
351 } | |
352 return NULL; | |
353 } | |
354 | |
355 // display_server_error(x) | |
356 // Display the error to the user | |
357 // x: error tag xmlnode pointer | |
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358 void display_server_error(LmMessageNode *x, const char *from) |
1598 | 359 { |
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360 const char *desc = NULL, *errname = NULL, *s; |
1598 | 361 char *sdesc, *tmp; |
362 | |
363 if (!x) return; | |
364 | |
365 /* RFC3920: | |
366 * The <error/> element: | |
367 * o MUST contain a child element corresponding to one of the defined | |
368 * stanza error conditions specified below; this element MUST be | |
369 * qualified by the 'urn:ietf:params:xml:ns:xmpp-stanzas' namespace. | |
370 */ | |
371 if (x->children) | |
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372 errname = x->children->name; |
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373 |
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374 if (from) |
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375 scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s] from <%s>", |
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376 (errname ? errname : ""), from); |
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377 else |
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378 scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s]", |
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379 (errname ? errname : "")); |
1598 | 380 |
381 // For backward compatibility | |
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382 if (!errname && ((s = lm_message_node_get_attribute(x, "code")) != NULL)) { |
1598 | 383 // Default message |
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384 desc = defaulterrormsg(atoi(s)); |
1598 | 385 } |
386 | |
387 // Error tag data is better, if available | |
388 s = lm_message_node_get_value(x); | |
389 if (s && *s) desc = s; | |
390 | |
391 // And sometimes there is a text message | |
392 s = lm_message_node_get_child_value(x, "text"); | |
393 if (s && *s) desc = s; | |
394 | |
395 // If we still have no description, let's give up | |
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396 if (!desc || !*desc) |
1598 | 397 return; |
398 | |
399 // Strip trailing newlines | |
400 sdesc = g_strdup(desc); | |
401 for (tmp = sdesc; *tmp; tmp++) ; | |
402 if (tmp > sdesc) | |
403 tmp--; | |
404 while (tmp >= sdesc && (*tmp == '\n' || *tmp == '\r')) | |
405 *tmp-- = '\0'; | |
406 | |
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407 if (*sdesc) |
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408 scr_LogPrint(LPRINT_LOGNORM, "Error message from server: %s", sdesc); |
1598 | 409 g_free(sdesc); |
410 } | |
411 | |
1811 | 412 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |