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 +1,128 @@
+---
+c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLOPT_PROXY_SSLVERSION
+Section: 3
+Source: libcurl
+See-also:
+  - CURLOPT_HTTP_VERSION (3)
+  - CURLOPT_IPRESOLVE (3)
+  - CURLOPT_SSLVERSION (3)
+  - CURLOPT_USE_SSL (3)
+Protocol:
+  - TLS
+TLS-backend:
+  - All
+Added-in: 7.52.0
+---
+
+# NAME
+
+CURLOPT_PROXY_SSLVERSION - preferred HTTPS proxy TLS version
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLVERSION,
+                          long version);
+~~~
+
+# DESCRIPTION
+
+Pass a long as parameter to control which version of SSL/TLS to attempt to use
+when connecting to an HTTPS proxy.
+
+Use one of the available defines for this purpose. The available options are:
+
+## CURL_SSLVERSION_DEFAULT
+
+The default action. This attempts to figure out the remote SSL protocol
+version.
+
+## CURL_SSLVERSION_TLSv1
+
+TLSv1.x
+
+## CURL_SSLVERSION_TLSv1_0
+
+TLSv1.0
+
+## CURL_SSLVERSION_TLSv1_1
+
+TLSv1.1
+
+## CURL_SSLVERSION_TLSv1_2
+
+TLSv1.2
+
+## CURL_SSLVERSION_TLSv1_3
+
+TLSv1.3
+
+##
+
+The maximum TLS version can be set by using *one* of the CURL_SSLVERSION_MAX_
+macros below. It is also possible to OR *one* of the CURL_SSLVERSION_ macros
+with *one* of the CURL_SSLVERSION_MAX_ macros. The MAX macros are not
+supported for wolfSSL.
+
+## CURL_SSLVERSION_MAX_DEFAULT
+
+The flag defines the maximum supported TLS version as TLSv1.2, or the default
+value from the SSL library.
+
+## CURL_SSLVERSION_MAX_TLSv1_0
+
+The flag defines maximum supported TLS version as TLSv1.0.
+
+## CURL_SSLVERSION_MAX_TLSv1_1
+
+The flag defines maximum supported TLS version as TLSv1.1.
+
+## CURL_SSLVERSION_MAX_TLSv1_2
+
+The flag defines maximum supported TLS version as TLSv1.2.
+
+## CURL_SSLVERSION_MAX_TLSv1_3
+
+The flag defines maximum supported TLS version as TLSv1.3.
+
+# DEFAULT
+
+CURL_SSLVERSION_DEFAULT
+
+# %PROTOCOLS%
+
+# EXAMPLE
+
+~~~c
+int main(void)
+{
+  CURL *curl = curl_easy_init();
+  if(curl) {
+    curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
+
+    /* ask libcurl to use TLS version 1.0 or later */
+    curl_easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
+
+    /* Perform the request */
+    curl_easy_perform(curl);
+  }
+}
+~~~
+
+# HISTORY
+
+**CURL_SSLVERSION_*** macros became `long` types in 8.16.0, prior to this
+version a `long` cast was necessary when passed to curl_easy_setopt(3).
+
+# %AVAILABILITY%
+
+# RETURN VALUE
+
+curl_easy_setopt(3) returns a CURLcode indicating success or error.
+
+CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
+libcurl-errors(3).