git.m6w6.name Git - m6w6/ext-http/blob - http_message_api.c

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2006, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #define HTTP_WANT_SAPI
  16 #define HTTP_WANT_CURL
  17 #define HTTP_WANT_ZLIB
  18 #include "php_http.h"
  19
  20 #include "php_http_api.h"
  21 #include "php_http_encoding_api.h"
  22 #include "php_http_headers_api.h"
  23 #include "php_http_message_api.h"
  24 #include "php_http_request_api.h"
  25 #include "php_http_send_api.h"
  26 #include "php_http_url_api.h"
  27
  28 #define http_message_info_callback _http_message_info_callback
  29 static void _http_message_info_callback(http_message **message, HashTable **headers, http_info *info TSRMLS_DC)
  30 {
  31         http_message *old = *message;
  32
  33         /* advance message */
  34         if (old->type || zend_hash_num_elements(&old->hdrs) || PHPSTR_LEN(old)) {
  35                 (*message) = http_message_new();
  36                 (*message)->parent = old;
  37                 (*headers) = &((*message)->hdrs);
  38         }
  39
  40         http_message_set_info(*message, info);
  41 }
  42
  43 #define http_message_init_type _http_message_init_type
  44 static inline void _http_message_init_type(http_message *message, http_message_type type)
  45 {
  46         message->http.version = .0;
  47
  48         switch (message->type = type) {
  49                 case HTTP_MSG_RESPONSE:
  50                         message->http.info.response.code = 0;
  51                         message->http.info.response.status = NULL;
  52                         break;
  53
  54                 case HTTP_MSG_REQUEST:
  55                         message->http.info.request.method = NULL;
  56                         message->http.info.request.url = NULL;
  57                         break;
  58
  59                 case HTTP_MSG_NONE:
  60                 default:
  61                         break;
  62         }
  63 }
  64
  65 PHP_HTTP_API http_message *_http_message_init_ex(http_message *message, http_message_type type ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
  66 {
  67         if (!message) {
  68                 message = ecalloc_rel(1, sizeof(http_message));
  69         }
  70
  71         http_message_init_type(message, type);
  72         message->parent = NULL;
  73         phpstr_init(&message->body);
  74         zend_hash_init(&message->hdrs, 0, NULL, ZVAL_PTR_DTOR, 0);
  75
  76         return message;
  77 }
  78
  79
  80 PHP_HTTP_API void _http_message_set_type(http_message *message, http_message_type type)
  81 {
  82         /* just act if different */
  83         if (type != message->type) {
  84
  85                 /* free request info */
  86                 switch (message->type) {
  87                         case HTTP_MSG_REQUEST:
  88                                 STR_FREE(message->http.info.request.method);
  89                                 STR_FREE(message->http.info.request.url);
  90                                 break;
  91
  92                         case HTTP_MSG_RESPONSE:
  93                                 STR_FREE(message->http.info.response.status);
  94                                 break;
  95
  96                         default:
  97                                 break;
  98                 }
  99
 100                 /* init */
 101                 http_message_init_type(message, type);
 102         }
 103 }
 104
 105 PHP_HTTP_API void _http_message_set_info(http_message *message, http_info *info)
 106 {
 107         http_message_set_type(message, info->type);
 108         message->http.version = info->http.version;
 109         switch (message->type) {
 110                 case IS_HTTP_REQUEST:
 111                         STR_SET(HTTP_INFO(message).request.url, HTTP_INFO(info).request.url ? estrdup(HTTP_INFO(info).request.url) : NULL);
 112                         STR_SET(HTTP_INFO(message).request.method, HTTP_INFO(info).request.method ? estrdup(HTTP_INFO(info).request.method) : NULL);
 113                         break;
 114
 115                 case IS_HTTP_RESPONSE:
 116                         HTTP_INFO(message).response.code = HTTP_INFO(info).response.code;
 117                         STR_SET(HTTP_INFO(message).response.status, HTTP_INFO(info).response.status ? estrdup(HTTP_INFO(info).response.status) : NULL);
 118                         break;
 119
 120                 default:
 121                         break;
 122         }
 123 }
 124
 125 #define http_message_body_parse(m, ms, ml, c) _http_message_body_parse((m), (ms), (ml), (c) TSRMLS_CC)
 126 static inline void _http_message_body_parse(http_message *msg, const char *message, size_t message_length, const char **continue_at TSRMLS_DC)
 127 {
 128         zval *c;
 129         size_t remaining;
 130         const char *body;
 131
 132         *continue_at = NULL;
 133         if ((body = http_locate_body(message))) {
 134                 remaining = message + message_length - body;
 135
 136                 if ((c = http_message_header(msg, "Transfer-Encoding"))) {
 137                         if (strstr(Z_STRVAL_P(c), "chunked")) {
 138                                 /* message has chunked transfer encoding */
 139                                 char *decoded;
 140                                 size_t decoded_len;
 141
 142                                 /* decode and replace Transfer-Encoding with Content-Length header */
 143                                 if ((*continue_at = http_encoding_dechunk(body, message + message_length - body, &decoded, &decoded_len))) {
 144                                         zval *len;
 145                                         char *tmp;
 146                                         int tmp_len;
 147
 148                                         tmp_len = (int) spprintf(&tmp, 0, "%zu", decoded_len);
 149                                         MAKE_STD_ZVAL(len);
 150                                         ZVAL_STRINGL(len, tmp, tmp_len, 0);
 151
 152                                         ZVAL_ADDREF(c);
 153                                         zend_hash_update(&msg->hdrs, "X-Original-Transfer-Encoding", sizeof("X-Original-Transfer-Encoding"), (void *) &c, sizeof(zval *), NULL);
 154                                         zend_hash_del(&msg->hdrs, "Transfer-Encoding", sizeof("Transfer-Encoding"));
 155                                         zend_hash_del(&msg->hdrs, "Content-Length", sizeof("Content-Length"));
 156                                         zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
 157
 158                                         phpstr_from_string_ex(PHPSTR(msg), decoded, decoded_len);
 159                                         efree(decoded);
 160                                 }
 161                         }
 162                         zval_ptr_dtor(&c);
 163                 }
 164
 165                 if (!*continue_at && (c = http_message_header(msg, "Content-Length"))) {
 166                         /* message has content-length header */
 167                         ulong len = strtoul(Z_STRVAL_P(c), NULL, 10);
 168                         if (len > remaining) {
 169                                 http_error_ex(HE_NOTICE, HTTP_E_MALFORMED_HEADERS, "The Content-Length header pretends a larger body than actually received (expected %lu bytes; got %lu bytes)", len, remaining);
 170                                 len = remaining;
 171                         }
 172                         phpstr_from_string_ex(PHPSTR(msg), body, len);
 173                         *continue_at = body + len;
 174                         zval_ptr_dtor(&c);
 175                 }
 176
 177                 if (!*continue_at && (c = http_message_header(msg, "Content-Range"))) {
 178                         /* message has content-range header */
 179                         ulong total = 0, start = 0, end = 0, len = 0;
 180
 181                         if (!strncasecmp(Z_STRVAL_P(c), "bytes", lenof("bytes")) &&
 182                                         (       Z_STRVAL_P(c)[lenof("bytes")] == ':' ||
 183                                                 Z_STRVAL_P(c)[lenof("bytes")] == ' ' ||
 184                                                 Z_STRVAL_P(c)[lenof("bytes")] == '=')) {
 185                                 char *total_at = NULL, *end_at = NULL;
 186                                 char *start_at = Z_STRVAL_P(c) + sizeof("bytes");
 187
 188                                 start = strtoul(start_at, &end_at, 10);
 189                                 if (end_at) {
 190                                         end = strtoul(end_at + 1, &total_at, 10);
 191                                         if (total_at && strncmp(total_at + 1, "*", 1)) {
 192                                                 total = strtoul(total_at + 1, NULL, 10);
 193                                         }
 194                                         if ((len = (end + 1 - start)) > remaining) {
 195                                                 http_error_ex(HE_NOTICE, HTTP_E_MALFORMED_HEADERS, "The Content-Range header pretends a larger body than actually received (expected %lu bytes; got %lu bytes)", len, remaining);
 196                                                 len = remaining;
 197                                         }
 198                                         if (end >= start && (!total || end < total)) {
 199                                                 phpstr_from_string_ex(PHPSTR(msg), body, len);
 200                                                 *continue_at = body + len;
 201                                         }
 202                                 }
 203                         }
 204
 205                         if (!*continue_at) {
 206                                 http_error_ex(HE_WARNING, HTTP_E_MALFORMED_HEADERS, "Invalid Content-Range header: %s", Z_STRVAL_P(c));
 207                         }
 208                         zval_ptr_dtor(&c);
 209                 }
 210
 211                 if (!*continue_at) {
 212                         /* no headers that indicate content length */
 213                         if (HTTP_MSG_TYPE(RESPONSE, msg)) {
 214                                 phpstr_from_string_ex(PHPSTR(msg), body, remaining);
 215                         } else {
 216                                 *continue_at = body;
 217                         }
 218                 }
 219
 220 #ifdef HTTP_HAVE_ZLIB
 221                 /* check for compressed data */
 222                 if ((c = http_message_header(msg, "Vary"))) {
 223                         zval_ptr_dtor(&c);
 224
 225                         if ((c = http_message_header(msg, "Content-Encoding"))) {
 226                                 char *decoded = NULL;
 227                                 size_t decoded_len = 0;
 228
 229                                 if (    !strcasecmp(Z_STRVAL_P(c), "gzip") ||
 230                                                 !strcasecmp(Z_STRVAL_P(c), "x-gzip") ||
 231                                                 !strcasecmp(Z_STRVAL_P(c), "deflate")) {
 232                                         http_encoding_inflate(PHPSTR_VAL(msg), PHPSTR_LEN(msg), &decoded, &decoded_len);
 233                                 }
 234
 235                                 if (decoded) {
 236                                         zval *len, **original_len;
 237                                         char *tmp;
 238                                         int tmp_len;
 239
 240                                         tmp_len = (int) spprintf(&tmp, 0, "%zu", decoded_len);
 241                                         MAKE_STD_ZVAL(len);
 242                                         ZVAL_STRINGL(len, tmp, tmp_len, 0);
 243
 244                                         ZVAL_ADDREF(c);
 245                                         zend_hash_update(&msg->hdrs, "X-Original-Content-Encoding", sizeof("X-Original-Content-Encoding"), (void *) &c, sizeof(zval *), NULL);
 246                                         zend_hash_del(&msg->hdrs, "Content-Encoding", sizeof("Content-Encoding"));
 247                                         if (SUCCESS == zend_hash_find(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &original_len)) {
 248                                                 ZVAL_ADDREF(*original_len);
 249                                                 zend_hash_update(&msg->hdrs, "X-Original-Content-Length", sizeof("X-Original-Content-Length"), (void *) original_len, sizeof(zval *), NULL);
 250                                                 zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
 251                                         } else {
 252                                                 zend_hash_update(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
 253                                         }
 254
 255                                         phpstr_dtor(PHPSTR(msg));
 256                                         PHPSTR(msg)->data = decoded;
 257                                         PHPSTR(msg)->used = decoded_len;
 258                                         PHPSTR(msg)->free = 1;
 259                                 }
 260
 261                                 zval_ptr_dtor(&c);
 262                         }
 263                 }
 264 #endif /* HTTP_HAVE_ZLIB */
 265         }
 266 }
 267
 268 PHP_HTTP_API http_message *_http_message_parse_ex(http_message *msg, const char *message, size_t message_length ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC TSRMLS_DC)
 269 {
 270         const char *continue_at;
 271         zend_bool free_msg = msg ? 0 : 1;
 272
 273         if ((!message) || (message_length < HTTP_MSG_MIN_SIZE)) {
 274                 http_error_ex(HE_WARNING, HTTP_E_INVALID_PARAM, "Empty or too short HTTP message: '%s'", message);
 275                 return NULL;
 276         }
 277
 278         msg = http_message_init_rel(msg, 0);
 279
 280         if (SUCCESS != http_parse_headers_cb(message, &msg->hdrs, 1, (http_info_callback) http_message_info_callback, (void *) &msg)) {
 281                 if (free_msg) {
 282                         http_message_free(&msg);
 283                 }
 284                 http_error(HE_WARNING, HTTP_E_MALFORMED_HEADERS, "Failed to parse message headers");
 285                 return NULL;
 286         }
 287
 288         http_message_body_parse(msg, message, message_length, &continue_at);
 289
 290         /* check for following messages */
 291         if (continue_at && (continue_at < (message + message_length))) {
 292                 while (HTTP_IS_CTYPE(space, *continue_at)) ++continue_at;
 293                 if (continue_at < (message + message_length)) {
 294                         http_message *next = NULL, *most = NULL;
 295
 296                         /* set current message to parent of most parent following messages and return deepest */
 297                         if ((most = next = http_message_parse_rel(NULL, continue_at, message + message_length - continue_at))) {
 298                                 while (most->parent) most = most->parent;
 299                                 most->parent = msg;
 300                                 msg = next;
 301                         }
 302                 }
 303         }
 304
 305         return msg;
 306 }
 307
 308 PHP_HTTP_API void _http_message_tostring(http_message *msg, char **string, size_t *length)
 309 {
 310         phpstr str;
 311         HashKey key = initHashKey(0);
 312         zval **header;
 313         char *data;
 314         HashPosition pos1;
 315
 316         phpstr_init_ex(&str, 4096, 0);
 317
 318         switch (msg->type) {
 319                 case HTTP_MSG_REQUEST:
 320                         phpstr_appendf(&str, HTTP_INFO_REQUEST_FMT_ARGS(&msg->http, HTTP_CRLF));
 321                         break;
 322
 323                 case HTTP_MSG_RESPONSE:
 324                         phpstr_appendf(&str, HTTP_INFO_RESPONSE_FMT_ARGS(&msg->http, HTTP_CRLF));
 325                         break;
 326
 327                 case HTTP_MSG_NONE:
 328                 default:
 329                         break;
 330         }
 331
 332         FOREACH_HASH_KEYVAL(pos1, &msg->hdrs, key, header) {
 333                 if (key.type == HASH_KEY_IS_STRING) {
 334                         HashPosition pos2;
 335                         zval **single_header;
 336
 337                         switch (Z_TYPE_PP(header)) {
 338                                 case IS_STRING:
 339                                         phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key.str, Z_STRVAL_PP(header));
 340                                         break;
 341
 342                                 case IS_ARRAY:
 343                                         FOREACH_VAL(pos2, *header, single_header) {
 344                                                 phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key.str, Z_STRVAL_PP(single_header));
 345                                         }
 346                                         break;
 347                         }
 348                 }
 349         }
 350
 351         if (PHPSTR_LEN(msg)) {
 352                 phpstr_appends(&str, HTTP_CRLF);
 353                 phpstr_append(&str, PHPSTR_VAL(msg), PHPSTR_LEN(msg));
 354                 phpstr_appends(&str, HTTP_CRLF);
 355         }
 356
 357         data = phpstr_data(&str, string, length);
 358         if (!string) {
 359                 efree(data);
 360         }
 361
 362         phpstr_dtor(&str);
 363 }
 364
 365 PHP_HTTP_API void _http_message_serialize(http_message *message, char **string, size_t *length)
 366 {
 367         char *buf;
 368         size_t len;
 369         phpstr str;
 370
 371         phpstr_init(&str);
 372
 373         do {
 374                 http_message_tostring(message, &buf, &len);
 375                 phpstr_prepend(&str, buf, len);
 376                 efree(buf);
 377         } while ((message = message->parent));
 378
 379         buf = phpstr_data(&str, string, length);
 380         if (!string) {
 381                 efree(buf);
 382         }
 383
 384         phpstr_dtor(&str);
 385 }
 386
 387 PHP_HTTP_API http_message *_http_message_reverse(http_message *msg)
 388 {
 389         int i, c;
 390
 391         http_message_count(c, msg);
 392
 393         if (c > 1) {
 394                 http_message *tmp = msg, **arr = ecalloc(c, sizeof(http_message *));
 395
 396                 for (i = 0; i < c; ++i) {
 397                         arr[i] = tmp;
 398                         tmp = tmp->parent;
 399                 }
 400                 arr[0]->parent = NULL;
 401                 for (i = 0; i < c-1; ++i) {
 402                         arr[i+1]->parent = arr[i];
 403                 }
 404
 405                 msg = arr[c-1];
 406                 efree(arr);
 407         }
 408
 409         return msg;
 410 }
 411
 412 PHP_HTTP_API http_message *_http_message_interconnect(http_message *m1, http_message *m2)
 413 {
 414         if (m1 && m2) {
 415                 int i = 0, c1, c2;
 416                 http_message *t1 = m1, *t2 = m2, *p1, *p2;
 417
 418                 http_message_count(c1, m1);
 419                 http_message_count(c2, m2);
 420
 421                 while (i++ < (c1 - c2)) {
 422                         t1 = t1->parent;
 423                 }
 424                 while (i++ <= c1) {
 425                         p1 = t1->parent;
 426                         p2 = t2->parent;
 427                         t1->parent = t2;
 428                         t2->parent = p1;
 429                         t1 = p1;
 430                         t2 = p2;
 431                 }
 432         } else if (!m1 && m2) {
 433                 m1 = m2;
 434         }
 435         return m1;
 436 }
 437
 438 PHP_HTTP_API void _http_message_tostruct_recursive(http_message *msg, zval *obj TSRMLS_DC)
 439 {
 440         zval strct;
 441         zval *headers;
 442
 443         INIT_ZARR(strct, HASH_OF(obj));
 444
 445         add_assoc_long(&strct, "type", msg->type);
 446         add_assoc_double(&strct, "httpVersion", msg->http.version);
 447         switch (msg->type)
 448         {
 449                 case HTTP_MSG_RESPONSE:
 450                         add_assoc_long(&strct, "responseCode", msg->http.info.response.code);
 451                         add_assoc_string(&strct, "responseStatus", STR_PTR(msg->http.info.response.status), 1);
 452                 break;
 453
 454                 case HTTP_MSG_REQUEST:
 455                         add_assoc_string(&strct, "requestMethod", STR_PTR(msg->http.info.request.method), 1);
 456                         add_assoc_string(&strct, "requestUrl", STR_PTR(msg->http.info.request.url), 1);
 457                 break;
 458
 459                 case HTTP_MSG_NONE:
 460                         /* avoid compiler warning */
 461                 break;
 462         }
 463
 464         MAKE_STD_ZVAL(headers);
 465         array_init(headers);
 466         zend_hash_copy(Z_ARRVAL_P(headers), &msg->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 467         add_assoc_zval(&strct, "headers", headers);
 468
 469         add_assoc_stringl(&strct, "body", PHPSTR_VAL(msg), PHPSTR_LEN(msg), 1);
 470
 471         if (msg->parent) {
 472                 zval *parent;
 473
 474                 MAKE_STD_ZVAL(parent);
 475                 if (Z_TYPE_P(obj) == IS_ARRAY) {
 476                         array_init(parent);
 477                 } else {
 478                         object_init(parent);
 479                 }
 480                 add_assoc_zval(&strct, "parentMessage", parent);
 481                 http_message_tostruct_recursive(msg->parent, parent);
 482         } else {
 483                 add_assoc_null(&strct, "parentMessage");
 484         }
 485 }
 486
 487 PHP_HTTP_API STATUS _http_message_send(http_message *message TSRMLS_DC)
 488 {
 489         STATUS rs = FAILURE;
 490
 491         switch (message->type) {
 492                 case HTTP_MSG_RESPONSE:
 493                 {
 494                         HashKey key = initHashKey(0);
 495                         zval **val;
 496                         HashPosition pos;
 497
 498                         FOREACH_HASH_KEYVAL(pos, &message->hdrs, key, val) {
 499                                 if (key.type == HASH_KEY_IS_STRING) {
 500                                         http_send_header_zval_ex(key.str, key.len-1, val, 1);
 501                                 }
 502                         }
 503                         rs =    SUCCESS == http_send_status(message->http.info.response.code) &&
 504                                         SUCCESS == http_send_data(PHPSTR_VAL(message), PHPSTR_LEN(message)) ?
 505                                         SUCCESS : FAILURE;
 506                         break;
 507                 }
 508
 509                 case HTTP_MSG_REQUEST:
 510                 {
 511 #ifdef HTTP_HAVE_CURL
 512                         char *uri = NULL;
 513                         http_request request;
 514                         zval **zhost, options, headers;
 515
 516                         INIT_PZVAL(&options);
 517                         INIT_PZVAL(&headers);
 518                         array_init(&options);
 519                         array_init(&headers);
 520                         zend_hash_copy(Z_ARRVAL(headers), &message->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 521                         add_assoc_zval(&options, "headers", &headers);
 522
 523                         /* check host header */
 524                         if (SUCCESS == zend_hash_find(&message->hdrs, "Host", sizeof("Host"), (void *) &zhost)) {
 525                                 char *colon = NULL;
 526                                 php_url parts, *url = php_url_parse(message->http.info.request.url);
 527
 528                                 memset(&parts, 0, sizeof(php_url));
 529
 530                                 /* check for port */
 531                                 if ((colon = strchr(Z_STRVAL_PP(zhost), ':'))) {
 532                                         parts.port = atoi(colon + 1);
 533                                         parts.host = estrndup(Z_STRVAL_PP(zhost), (Z_STRVAL_PP(zhost) - colon - 1));
 534                                 } else {
 535                                         parts.host = estrndup(Z_STRVAL_PP(zhost), Z_STRLEN_PP(zhost));
 536                                 }
 537
 538                                 http_build_url(HTTP_URL_REPLACE, url, &parts, NULL, &uri, NULL);
 539                                 php_url_free(url);
 540                                 efree(parts.host);
 541                         } else {
 542                                 uri = http_absolute_url(message->http.info.request.url);
 543                         }
 544
 545                         if ((request.meth = http_request_method_exists(1, 0, message->http.info.request.method))) {
 546                                 http_request_body body;
 547
 548                                 http_request_init_ex(&request, NULL, request.meth, uri);
 549                                 request.body = http_request_body_init_ex(&body, HTTP_REQUEST_BODY_CSTRING, PHPSTR_VAL(message), PHPSTR_LEN(message), 0);
 550                                 if (SUCCESS == (rs = http_request_prepare(&request, NULL))) {
 551                                         http_request_exec(&request);
 552                                 }
 553                                 http_request_dtor(&request);
 554                         } else {
 555                                 http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD,
 556                                         "Cannot send HttpMessage. Request method %s not supported",
 557                                         message->http.info.request.method);
 558                         }
 559                         efree(uri);
 560 #else
 561                         http_error(HE_WARNING, HTTP_E_RUNTIME, "HTTP requests not supported - ext/http was not linked against libcurl.");
 562 #endif
 563                 break;
 564                 }
 565
 566                 case HTTP_MSG_NONE:
 567                 default:
 568                         http_error(HE_WARNING, HTTP_E_MESSAGE_TYPE, "HttpMessage is neither of type HTTP_MSG_REQUEST nor HTTP_MSG_RESPONSE");
 569                         break;
 570         }
 571
 572         return rs;
 573 }
 574
 575 PHP_HTTP_API http_message *_http_message_dup(http_message *orig TSRMLS_DC)
 576 {
 577         http_message *temp, *copy = NULL;
 578         http_info info;
 579
 580         if (orig) {
 581                 info.type = orig->type;
 582                 info.http = orig->http;
 583
 584                 copy = temp = http_message_new();
 585                 http_message_set_info(temp, &info);
 586                 zend_hash_copy(&temp->hdrs, &orig->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 587                 phpstr_append(&temp->body, orig->body.data, orig->body.used);
 588
 589                 while (orig->parent) {
 590                         info.type = orig->parent->type;
 591                         info.http = orig->parent->http;
 592
 593                         temp->parent = http_message_new();
 594                         http_message_set_info(temp->parent, &info);
 595                         zend_hash_copy(&temp->parent->hdrs, &orig->parent->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 596                         phpstr_append(&temp->parent->body, orig->parent->body.data, orig->parent->body.used);
 597
 598                         temp = temp->parent;
 599                         orig = orig->parent;
 600                 }
 601         }
 602
 603         return copy;
 604 }
 605
 606 PHP_HTTP_API void _http_message_dtor(http_message *message)
 607 {
 608         if (message) {
 609                 zend_hash_destroy(&message->hdrs);
 610                 phpstr_dtor(PHPSTR(message));
 611
 612                 switch (message->type) {
 613                         case HTTP_MSG_REQUEST:
 614                                 STR_SET(message->http.info.request.method, NULL);
 615                                 STR_SET(message->http.info.request.url, NULL);
 616                                 break;
 617
 618                         case HTTP_MSG_RESPONSE:
 619                                 STR_SET(message->http.info.response.status, NULL);
 620                                 break;
 621
 622                         default:
 623                                 break;
 624                 }
 625         }
 626 }
 627
 628 PHP_HTTP_API void _http_message_free(http_message **message)
 629 {
 630         if (*message) {
 631                 if ((*message)->parent) {
 632                         http_message_free(&(*message)->parent);
 633                 }
 634                 http_message_dtor(*message);
 635                 efree(*message);
 636                 *message = NULL;
 637         }
 638 }
 639
 640 /*
 641  * Local variables:
 642  * tab-width: 4
 643  * c-basic-offset: 4
 644  * End:
 645  * vim600: noet sw=4 ts=4 fdm=marker
 646  * vim<600: noet sw=4 ts=4
 647  */
 648