Update networking layer w/ CURL and emscripten impl

2025-11-08 01:50:36 +11:00
parent a17925904d
commit f6874dc55a
4105 changed files with 694617 additions and 179 deletions
@@ -0,0 +1,146 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+/*
+ * Check for bugs #1303 and #1327: libcurl should never remove DNS entries
+ * created via CURLOPT_RESOLVE, neither after DNS_CACHE_TIMEOUT elapses
+ * (test1515) nor a dead connection is detected (test1616).
+ */
+
+#include "first.h"
+
+#include "testtrace.h"
+#include "memdebug.h"
+
+#define DNS_TIMEOUT 1L
+
+static CURLcode do_one_request(CURLM *multi, const char *URL,
+                               const char *resolve)
+{
+  CURL *curl;
+  struct curl_slist *resolve_list = NULL;
+  int still_running;
+  CURLcode res = CURLE_OK;
+  CURLMsg *msg;
+  int msgs_left;
+
+  resolve_list = curl_slist_append(resolve_list, resolve);
+
+  easy_init(curl);
+
+  easy_setopt(curl, CURLOPT_URL, URL);
+  easy_setopt(curl, CURLOPT_RESOLVE, resolve_list);
+  easy_setopt(curl, CURLOPT_DNS_CACHE_TIMEOUT, DNS_TIMEOUT);
+
+  debug_config.nohex = TRUE;
+  debug_config.tracetime = TRUE;
+  easy_setopt(curl, CURLOPT_DEBUGDATA, &debug_config);
+  easy_setopt(curl, CURLOPT_DEBUGFUNCTION, libtest_debug_cb);
+  easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+  multi_add_handle(multi, curl);
+  multi_perform(multi, &still_running);
+
+  abort_on_test_timeout();
+
+  while(still_running) {
+    struct timeval timeout;
+    fd_set fdread, fdwrite, fdexcep;
+    int maxfd = -99;
+
+    FD_ZERO(&fdread);
+    FD_ZERO(&fdwrite);
+    FD_ZERO(&fdexcep);
+    timeout.tv_sec = 1;
+    timeout.tv_usec = 0;
+
+    multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
+    select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
+
+    abort_on_test_timeout();
+    multi_perform(multi, &still_running);
+
+    abort_on_test_timeout();
+  }
+
+  do {
+    msg = curl_multi_info_read(multi, &msgs_left);
+    if(msg && msg->msg == CURLMSG_DONE && msg->easy_handle == curl) {
+      res = msg->data.result;
+      break;
+    }
+  } while(msg);
+
+test_cleanup:
+
+  curl_multi_remove_handle(multi, curl);
+  curl_easy_cleanup(curl);
+  curl_slist_free_all(resolve_list);
+
+  return res;
+}
+
+static CURLcode test_lib1515(const char *URL)
+{
+  CURLM *multi = NULL;
+  CURLcode res = CURLE_OK;
+  const char *path = URL;
+  const char *address = libtest_arg2;
+  const char *port = libtest_arg3;
+  char dns_entry[256];
+  int i;
+  int count = 2;
+
+  curl_msnprintf(dns_entry, sizeof(dns_entry), "testserver.example.com:%s:%s",
+                 port, address);
+
+  start_test_timing();
+
+  global_init(CURL_GLOBAL_ALL);
+  curl_global_trace("all");
+  multi_init(multi);
+
+  for(i = 1; i <= count; i++) {
+    char target_url[256];
+    curl_msnprintf(target_url, sizeof(target_url),
+                   "http://testserver.example.com:%s/%s%04d", port, path, i);
+
+    /* second request must succeed like the first one */
+    res = do_one_request(multi, target_url, dns_entry);
+    if(res != CURLE_OK) {
+      curl_mfprintf(stderr, "request %s failed with %d\n", target_url, res);
+      goto test_cleanup;
+    }
+
+    if(i < count)
+      curlx_wait_ms((DNS_TIMEOUT + 1) * 1000);
+  }
+
+test_cleanup:
+
+  curl_multi_cleanup(multi);
+  curl_global_cleanup();
+
+  return res;
+}