‘CURLOPT_HTTPPOST’ deprecated

[aerospeace]

IMPORTANT: Before you create an issue, please take a look at our Issue Reporting Guide.

Briefly summarize your issue:

When building the SDK Sample App, the build fails due to the fact that ‘CURLOPT_HTTPPOST’ is deprecated.

What is the expected behavior?

Compilation successful

What behavior are you observing?

Compilation fails with the following:

/home/cha/sdk-folder/sdk-source/avs-device-sdk/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp:247:26: error: ‘CURLOPT_HTTPPOST’ is deprecated: since 7.56.0. Use CURLOPT_MIMEPOST [-Werror=deprecated-declarations]
  247 |             ret = setopt(CURLOPT_HTTPPOST, m_post);
      |                          ^~~~~~~~~~~~~~~~
In file included from /home/cha/sdk-folder/sdk-source/avs-device-sdk/AVSCommon/Utils/include/AVSCommon/Utils/LibcurlUtils/CurlEasyHandleWrapper.h:20,
                 from /home/cha/sdk-folder/sdk-source/avs-device-sdk/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp:20:
/usr/include/curl/curl.h:1195:3: note: declared here
 1195 |   CURLOPTDEPRECATED(CURLOPT_HTTPPOST, CURLOPTTYPE_OBJECTPOINT, 24,
      |   ^~~~~~~~~~~~~~~~~
/home/cha/sdk-folder/sdk-source/avs-device-sdk/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp: In member function ‘void alexaClientSDK::avsCommon::utils::libcurlUtils::CurlEasyHandleWrapper::cleanupResources()’:
/home/cha/sdk-folder/sdk-source/avs-device-sdk/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp:302:22: error: ‘void curl_formfree(curl_httppost*)’ is deprecated: since 7.56.0. Use curl_mime_free() [-Werror=deprecated-declarations]
  302 |         curl_formfree(m_post);
      |         ~~~~~~~~~~~~~^~~~~~~~
/usr/include/curl/curl.h:2606:1: note: declared here
 2606 | curl_formfree(struct curl_httppost *form);
      | ^~~~~~~~~~~~~
cc1plus: all warnings being treated as errors
make[3]: *** [AVSCommon/CMakeFiles/AVSCommon.dir/build.make:734: AVSCommon/CMakeFiles/AVSCommon.dir/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp.o] Error 1
make[2]: *** [CMakeFiles/Makefile2:11124: AVSCommon/CMakeFiles/AVSCommon.dir/all] Error 2
make[1]: *** [CMakeFiles/Makefile2:18943: SampleApplications/ConsoleSampleApplication/src/CMakeFiles/SampleApp.dir/rule] Error 2
make: *** [Makefile:5093: SampleApp] Error 2

Provide the steps to reproduce the issue, if applicable:

Follow the exact documentation in https://developer.amazon.com/en-US/docs/alexa/avs-device-sdk/ubuntu.html

Tell us about your environment:

What version of the AVS Device SDK are you using?

3.0

Tell us what hardware you're using:

• [X] Desktop / Laptop
• [ ] Raspberry Pi
• [ ] Other - tell us more:

Tell us about your OS (Type & version):

• [X] Linux (Arch)
• [ ] MacOS
• [ ] Raspbian Stretch
• [ ] Raspbian Jessy
• [ ] Other - tell us more:

[kjkh]

Hi,

Thank you for reporting this. Can you share which version of curl you are using?

[aerospeace]

Hi,

Thanks for you response. I am using curl 7.87.0.

Exact details: curl 7.87.0 (x86_64-pc-linux-gnu) libcurl/7.87.0 OpenSSL/3.0.7 zlib/1.2.13 brotli/1.0.9 zstd/1.5.2 libidn2/2.3.4 libpsl/0.21.2 (+libidn2/2.3.4) libssh2/1.10.0 nghttp2/1.51.0 Release-Date: 2022-12-21 Protocols: dict file ftp ftps gopher gophers http https imap imaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp Features: alt-svc AsynchDNS brotli GSS-API HSTS HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM NTLM_WB PSL SPNEGO SSL threadsafe TLS-SRP UnixSockets zstd

[tinypancake]

@aerospeace you can try with this patch, my curl version is 7.88.1.

diff --git a/AVSCommon/Utils/include/AVSCommon/Utils/LibcurlUtils/CurlEasyHandleWrapper.h b/AVSCommon/Utils/include/AVSCommon/Utils/LibcurlUtils/CurlEasyHandleWrapper.h
index 69976e2..94b60a8 100644
--- a/AVSCommon/Utils/include/AVSCommon/Utils/LibcurlUtils/CurlEasyHandleWrapper.h
+++ b/AVSCommon/Utils/include/AVSCommon/Utils/LibcurlUtils/CurlEasyHandleWrapper.h
@@ -353,9 +353,9 @@ private:
     /// A list of headers needed to be added to a POST action
     curl_slist* m_postHeaders;
     /// The associated multipart post
-    curl_httppost* m_post;
+    curl_mime* m_post;
     /// The last post used in curl_formadd
-    curl_httppost* m_lastPost;
+    curl_mime* m_lastPost;
     /// Name for this handle.
     std::string m_id;
     /// Synchronizes access to the @c m_interfaceName
diff --git a/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp b/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp
index b508f8e..cb2bca2 100644
--- a/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp
+++ b/AVSCommon/Utils/src/LibcurlUtils/CurlEasyHandleWrapper.cpp
@@ -244,7 +244,7 @@ bool CurlEasyHandleWrapper::setTransferType(TransferType type) {
             ret = setopt(CURLOPT_HTTPGET, 1L);
             break;
         case TransferType::kPOST:
-            ret = setopt(CURLOPT_HTTPPOST, m_post);
+            ret = setopt(CURLOPT_MIMEPOST, m_post);
             break;
         case TransferType::kPUT:
             ret = setopt(CURLOPT_UPLOAD, 1L);
@@ -299,7 +299,7 @@ void CurlEasyHandleWrapper::cleanupResources() {
     }

     if (m_post) {
-        curl_formfree(m_post);
+        curl_mime_free(m_post);
         m_post = nullptr;
         m_lastPost = nullptr;
     }

[gabm]

I had the same problem, tried your patch and it works.. it removes the deprecated calls...