Mercurial > ~mikael > mcabber > hg
annotate mcabber/mcabber/xmpp_helper.c @ 2033:a37fbc3ac6aa
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| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sun, 14 Oct 2012 17:41:56 +0200 |
| parents | f740c4128f76 |
| children | 412322678d59 |
| rev | line source |
|---|---|
| 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 | |
| 18 * along with this program; if not, write to the Free Software | |
| 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
| 20 * USA | |
| 21 */ | |
| 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 |
| 1598 | 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" |
| 1607 | 32 #include "config.h" |
| 1598 | 33 |
| 34 time_t iqlast; // last message/status change time | |
| 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 |
| 1607 | 76 #ifdef MODULES_ENABLE |
| 77 static GSList *xmpp_additional_features = NULL; | |
| 78 static char *ver, *ver_notavail; | |
| 79 | |
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80 void xmpp_add_feature(const char *xmlns) |
| 1607 | 81 { |
| 82 if (xmlns) { | |
| 83 ver = NULL; | |
| 84 ver_notavail = NULL; | |
| 85 xmpp_additional_features = g_slist_append(xmpp_additional_features, | |
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86 g_strdup(xmlns)); |
| 1607 | 87 } |
| 88 } | |
| 89 | |
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90 void xmpp_del_feature(const char *xmlns) |
| 1607 | 91 { |
| 92 GSList *feature = xmpp_additional_features; | |
| 93 while (feature) { | |
| 94 if (!strcmp(feature->data, xmlns)) { | |
| 95 ver = NULL; | |
| 96 ver_notavail = NULL; | |
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97 g_free(feature->data); |
| 1607 | 98 xmpp_additional_features = g_slist_delete_link(xmpp_additional_features, |
| 99 feature); | |
| 100 return; | |
| 101 } | |
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102 feature = g_slist_next(feature); |
| 1607 | 103 } |
| 104 } | |
| 105 #endif | |
| 106 | |
| 1598 | 107 const gchar* lm_message_node_get_child_value(LmMessageNode *node, |
| 108 const gchar *child) | |
| 109 { | |
| 110 LmMessageNode *tmp; | |
| 111 tmp = lm_message_node_find_child(node, child); | |
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112 if (tmp) { |
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113 const gchar *val = lm_message_node_get_value(tmp); |
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114 return (val ? val : ""); |
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115 } |
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116 return NULL; |
| 1598 | 117 } |
| 118 | |
| 119 static LmMessageNode *hidden = NULL; | |
| 120 | |
| 121 void lm_message_node_hide(LmMessageNode *node) | |
| 122 { | |
| 123 LmMessageNode *parent = node->parent, *prev_sibling = node->prev; | |
| 124 | |
| 125 if (hidden) { | |
| 126 hidden->children = hidden->next = hidden->prev = hidden->parent = NULL; | |
| 127 lm_message_node_unref(hidden); | |
| 128 } | |
| 129 | |
| 130 if (parent->children == node) | |
| 131 parent->children = node->next; | |
| 132 if (prev_sibling) | |
| 133 prev_sibling->next = node->next; | |
| 134 if (node->next) | |
| 135 node->next->prev = prev_sibling; | |
| 136 } | |
| 137 | |
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138 // Maybe not a good idea, because it uses internals of loudmouth... |
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139 // It's used for rosternotes/bookmarks |
| 1598 | 140 LmMessageNode *lm_message_node_new(const gchar *name, const gchar *xmlns) |
| 141 { | |
| 142 LmMessageNode *node; | |
| 143 | |
| 144 node = g_new0 (LmMessageNode, 1); | |
| 145 node->name = g_strdup (name); | |
| 146 node->value = NULL; | |
| 147 node->raw_mode = FALSE; | |
| 148 node->attributes = NULL; | |
| 149 node->next = NULL; | |
| 150 node->prev = NULL; | |
| 151 node->parent = NULL; | |
| 152 node->children = NULL; | |
| 153 | |
| 154 node->ref_count = 1; | |
| 155 lm_message_node_set_attribute(node, "xmlns", xmlns); | |
| 156 return node; | |
| 157 } | |
| 158 | |
| 159 void lm_message_node_insert_childnode(LmMessageNode *node, | |
| 160 LmMessageNode *child) | |
| 161 { | |
| 162 LmMessageNode *x; | |
| 163 lm_message_node_deep_ref(child); | |
| 164 | |
| 165 if (node->children == NULL) | |
| 166 node->children = child; | |
| 167 else { | |
| 168 for (x = node->children; x->next; x = x->next) | |
| 169 ; | |
| 170 x->next = child; | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 void lm_message_node_deep_ref(LmMessageNode *node) | |
| 175 { | |
| 176 if (node == NULL) | |
| 177 return; | |
| 178 lm_message_node_ref(node); | |
| 179 lm_message_node_deep_ref(node->next); | |
| 180 lm_message_node_deep_ref(node->children); | |
| 181 } | |
| 182 | |
| 183 const gchar* lm_message_get_from(LmMessage *m) | |
| 184 { | |
| 185 return lm_message_node_get_attribute(m->node, "from"); | |
| 186 } | |
| 187 | |
| 188 const gchar* lm_message_get_id(LmMessage *m) | |
| 189 { | |
| 190 return lm_message_node_get_attribute(m->node, "id"); | |
| 191 } | |
| 192 | |
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193 LmMessage *lm_message_new_iq_from_query(LmMessage *m, |
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194 LmMessageSubType type) |
| 1598 | 195 { |
| 196 LmMessage *new; | |
| 197 const char *from = lm_message_node_get_attribute(m->node, "from"); | |
| 198 const char *id = lm_message_node_get_attribute(m->node, "id"); | |
| 199 | |
| 200 new = lm_message_new_with_sub_type(from, LM_MESSAGE_TYPE_IQ, | |
| 201 type); | |
| 202 if (id) | |
| 203 lm_message_node_set_attribute(new->node, "id", id); | |
| 204 | |
| 205 return new; | |
| 206 } | |
| 207 | |
| 1600 | 208 // entity_version(enum imstatus status) |
| 1598 | 209 // Return a static version string for Entity Capabilities. |
| 210 // It should be specific to the client version, please change the id | |
| 211 // if you alter mcabber's disco support (or add something to the version | |
| 212 // number) so that it doesn't conflict with the official client. | |
| 1600 | 213 const char *entity_version(enum imstatus status) |
| 1598 | 214 { |
| 1607 | 215 #ifndef MODULES_ENABLE |
| 1600 | 216 static char *ver, *ver_notavail; |
| 1607 | 217 #endif |
| 1598 | 218 |
| 1600 | 219 if (ver && (status != notavail)) |
| 1598 | 220 return ver; |
| 1600 | 221 if (ver_notavail) |
| 222 return ver_notavail; | |
| 1598 | 223 |
| 1600 | 224 caps_add(""); |
| 225 caps_set_identity("", "client", PACKAGE_STRING, "pc"); | |
| 226 caps_add_feature("", NS_DISCO_INFO); | |
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227 caps_add_feature("", NS_CAPS); |
| 1600 | 228 caps_add_feature("", NS_MUC); |
| 229 // advertise ChatStates only if they aren't disabled | |
| 230 if (!settings_opt_get_int("disable_chatstates")) | |
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231 caps_add_feature("", NS_CHATSTATES); |
| 1600 | 232 caps_add_feature("", NS_TIME); |
| 233 caps_add_feature("", NS_XMPP_TIME); | |
| 234 caps_add_feature("", NS_VERSION); | |
| 235 caps_add_feature("", NS_PING); | |
| 236 caps_add_feature("", NS_COMMANDS); | |
| 1602 | 237 caps_add_feature("", NS_RECEIPTS); |
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238 caps_add_feature("", NS_X_CONFERENCE); |
| 1600 | 239 if (!settings_opt_get_int("iq_last_disable") && |
| 240 (!settings_opt_get_int("iq_last_disable_when_notavail") || | |
| 241 status != notavail)) | |
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242 caps_add_feature("", NS_LAST); |
| 1607 | 243 #ifdef MODULES_ENABLE |
| 244 { | |
| 245 GSList *el = xmpp_additional_features; | |
| 246 while (el) { | |
| 247 caps_add_feature("", el->data); | |
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248 el = g_slist_next(el); |
| 1607 | 249 } |
| 250 } | |
| 251 #endif | |
| 1598 | 252 |
| 1600 | 253 if (status == notavail) { |
| 254 ver_notavail = caps_generate(); | |
| 255 return ver_notavail; | |
| 256 } | |
| 257 | |
| 258 ver = caps_generate(); | |
| 1598 | 259 return ver; |
| 260 } | |
| 261 | |
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262 LmMessageNode *lm_message_node_find_xmlns(LmMessageNode *node, |
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263 const char *xmlns) |
| 1598 | 264 { |
| 265 LmMessageNode *x; | |
| 266 const char *p; | |
| 267 | |
| 268 for (x = node->children ; x; x = x->next) { | |
| 269 if ((p = lm_message_node_get_attribute(x, "xmlns")) && !strcmp(p, xmlns)) | |
| 270 break; | |
| 271 } | |
| 272 return x; | |
| 273 } | |
| 274 | |
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275 time_t lm_message_node_get_timestamp(LmMessageNode *node) |
| 1598 | 276 { |
| 277 LmMessageNode *x; | |
| 278 const char *p; | |
| 279 | |
| 280 x = lm_message_node_find_xmlns(node, NS_XMPP_DELAY); | |
| 281 if (x && (!strcmp(x->name, "delay")) && | |
| 282 (p = lm_message_node_get_attribute(x, "stamp")) != NULL) | |
| 283 return from_iso8601(p, 1); | |
| 284 x = lm_message_node_find_xmlns(node, NS_DELAY); | |
| 285 if (x && (p = lm_message_node_get_attribute(x, "stamp")) != NULL) | |
| 286 return from_iso8601(p, 1); | |
| 287 return 0; | |
| 288 } | |
| 289 | |
| 290 // lm_message_new_presence(status, recipient, message) | |
| 291 // Create an xmlnode with default presence attributes | |
| 292 // Note: the caller must free the node after use | |
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293 LmMessage *lm_message_new_presence(enum imstatus st, |
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294 const char *recipient, |
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295 const char *msg) |
| 1598 | 296 { |
| 297 unsigned int prio; | |
| 298 LmMessage *x = lm_message_new(recipient, LM_MESSAGE_TYPE_PRESENCE); | |
| 299 | |
| 300 switch(st) { | |
| 301 case away: | |
| 302 case notavail: | |
| 303 case dontdisturb: | |
| 304 case freeforchat: | |
| 305 lm_message_node_add_child(x->node, "show", imstatus_showmap[st]); | |
| 306 break; | |
| 307 | |
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308 #ifdef WITH_DEPRECATED_STATUS_INVISIBLE |
| 1598 | 309 case invisible: |
| 310 lm_message_node_set_attribute(x->node, "type", "invisible"); | |
| 311 break; | |
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312 #endif |
| 1598 | 313 |
| 314 case offline: | |
| 315 lm_message_node_set_attribute(x->node, "type", "unavailable"); | |
| 316 break; | |
| 317 | |
| 318 default: | |
| 319 break; | |
| 320 } | |
| 321 | |
| 322 if (st == away || st == notavail) | |
| 323 prio = settings_opt_get_int("priority_away"); | |
| 324 else | |
| 325 prio = settings_opt_get_int("priority"); | |
| 326 | |
| 327 if (prio) { | |
| 328 char strprio[8]; | |
| 329 snprintf(strprio, 8, "%d", (int)prio); | |
| 330 lm_message_node_add_child(x->node, "priority", strprio); | |
| 331 } | |
| 332 | |
| 333 if (msg) | |
| 334 lm_message_node_add_child(x->node, "status", msg); | |
| 335 | |
| 336 return x; | |
| 337 } | |
| 338 | |
| 339 static const char *defaulterrormsg(guint code) | |
| 340 { | |
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341 int i; |
| 1598 | 342 |
| 343 for (i = 0; xmpp_errors[i].code; ++i) { | |
| 344 if (xmpp_errors[i].code == code) | |
| 345 return xmpp_errors[i].meaning; | |
| 346 } | |
| 347 return NULL; | |
| 348 } | |
| 349 | |
| 350 // display_server_error(x) | |
| 351 // Display the error to the user | |
| 352 // x: error tag xmlnode pointer | |
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353 void display_server_error(LmMessageNode *x, const char *from) |
| 1598 | 354 { |
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355 const char *desc = NULL, *errname = NULL, *s; |
| 1598 | 356 char *sdesc, *tmp; |
| 357 | |
| 358 if (!x) return; | |
| 359 | |
| 360 /* RFC3920: | |
| 361 * The <error/> element: | |
| 362 * o MUST contain a child element corresponding to one of the defined | |
| 363 * stanza error conditions specified below; this element MUST be | |
| 364 * qualified by the 'urn:ietf:params:xml:ns:xmpp-stanzas' namespace. | |
| 365 */ | |
| 366 if (x->children) | |
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367 errname = x->children->name; |
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368 |
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369 if (from) |
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370 scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s] from <%s>", |
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371 (errname ? errname : ""), from); |
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372 else |
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373 scr_LogPrint(LPRINT_LOGNORM, "Received error packet [%s]", |
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374 (errname ? errname : "")); |
| 1598 | 375 |
| 376 // For backward compatibility | |
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377 if (!errname && ((s = lm_message_node_get_attribute(x, "code")) != NULL)) { |
| 1598 | 378 // Default message |
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379 desc = defaulterrormsg(atoi(s)); |
| 1598 | 380 } |
| 381 | |
| 382 // Error tag data is better, if available | |
| 383 s = lm_message_node_get_value(x); | |
| 384 if (s && *s) desc = s; | |
| 385 | |
| 386 // And sometimes there is a text message | |
| 387 s = lm_message_node_get_child_value(x, "text"); | |
| 388 | |
| 389 if (s && *s) desc = s; | |
| 390 | |
| 391 // If we still have no description, let's give up | |
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392 if (!desc || !*desc) |
| 1598 | 393 return; |
| 394 | |
| 395 // Strip trailing newlines | |
| 396 sdesc = g_strdup(desc); | |
| 397 for (tmp = sdesc; *tmp; tmp++) ; | |
| 398 if (tmp > sdesc) | |
| 399 tmp--; | |
| 400 while (tmp >= sdesc && (*tmp == '\n' || *tmp == '\r')) | |
| 401 *tmp-- = '\0'; | |
| 402 | |
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403 if (*sdesc) |
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404 scr_LogPrint(LPRINT_LOGNORM, "Error message from server: %s", sdesc); |
| 1598 | 405 g_free(sdesc); |
| 406 } | |
| 407 | |
| 1811 | 408 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |