Add header support to http action

src/utils/curl-helper.cpp

@@ -32,6 +32,14 @@ Curlhelper::~Curlhelper()
 	}
 }
 
+curl_slist *Curlhelper::SlistAppend(curl_slist *list, const char *string)
+{
+	if (!_initialized) {
+		return nullptr;
+	}
+	return _slistAppend(list, string);
+}
+
 CURLcode Curlhelper::Perform()
 {
 	if (!_initialized) {
@@ -88,10 +96,11 @@ bool Curlhelper::Resolve()
 {
 	_init = (initFunction)_lib->resolve("curl_easy_init");
 	_setopt = (setOptFunction)_lib->resolve("curl_easy_setopt");
+	_slistAppend = (slistAppendFunction)_lib->resolve("curl_slist_append");
 	_perform = (performFunction)_lib->resolve("curl_easy_perform");
 	_cleanup = (cleanupFunction)_lib->resolve("curl_easy_cleanup");
 
-	if (_init && _setopt && _perform && _cleanup) {
+	if (_init && _setopt && _slistAppend && _perform && _cleanup) {
 		blog(LOG_INFO, "[adv-ss] curl loaded successfully");
 		return true;
 	}

src/utils/curl-helper.hpp

@@ -5,6 +5,8 @@
 typedef CURL *(*initFunction)(void);
 typedef void (*cleanupFunction)(CURL *);
 typedef CURLcode (*setOptFunction)(CURL *, CURLoption, ...);
+typedef struct curl_slist *(*slistAppendFunction)(struct curl_slist *list,
+						  const char *string);
 typedef CURLcode (*performFunction)(CURL *);
 
 class Curlhelper {
@@ -13,6 +15,8 @@ public:
 	~Curlhelper();
 
 	template<typename... Args> CURLcode SetOpt(CURLoption, Args...);
+	struct curl_slist *SlistAppend(struct curl_slist *list,
+				       const char *string);
 	CURLcode Perform();
 	bool Initialized() { return _initialized; }
 
@@ -22,6 +26,7 @@ private:
 
 	initFunction _init = nullptr;
 	setOptFunction _setopt = nullptr;
+	slistAppendFunction _slistAppend = nullptr;
 	performFunction _perform = nullptr;
 	cleanupFunction _cleanup = nullptr;
 	CURL *_curl = nullptr;