wip cgi handling, client contains it's own privates functions to handle request headers and body

srcs/webserv/cgi_script.cpp

@@ -0,0 +1,80 @@
+
+#include "Webserv.hpp"
+
+bool	Webserv::_is_cgi(Client *client)
+{
+	if (client->get_path().find("/cgi-bin/") != std::string::npos)
+		return true;
+	return false;
+}
+
+void	Webserv::_exec_cgi(Client *client)
+{
+	char**	env;
+
+	env = _set_env(client);
+	_exec_script(client, env);
+//	_construct_response(client);
+}
+
+char*	Webserv::_dup_env(std::string var, std::string val = "")
+{
+	std::string str;
+
+	str = var + "=" + val;
+	return ( strdup(str.c_str()) );
+}
+
+char**	Webserv::_set_env(Client *client)
+{
+	char**	env = new char*[19];
+
+	env[0]  = _dup_env("AUTH_TYPE");
+	env[1]  = _dup_env("CONTENT_LENGTH", "665");
+	env[2]  = _dup_env("CONTENT_TYPE");
+	env[3]  = _dup_env("GATEWAY_INTERFACE");
+	env[4]  = _dup_env("PATH_INFO");
+	env[5]  = _dup_env("PATH_TRANSLATED");
+	env[6]  = _dup_env("QUERY_STRING");
+	env[7]  = _dup_env("REMOTE_ADDR");
+	env[8]  = _dup_env("REMOTE_HOST", client->get_headers("Host")); // just test
+	env[9]  = _dup_env("REMOTE_IDENT");
+	env[10] = _dup_env("REMOTE_USER");
+	env[11] = _dup_env("REQUEST_METHOD", client->get_method());
+	env[12] = _dup_env("SCRIPT_NAME");
+	env[13] = _dup_env("SERVER_NAME");
+	env[14] = _dup_env("SERVER_PORT");
+	env[15] = _dup_env("SERVER_PROTOCOL", client->get_version());
+	env[16] = _dup_env("SERVER_SOFTWARE");
+	env[17] = _dup_env("REDIRECT_STATUS");
+	env[18] = NULL;
+
+	return env;
+}
+
+void	Webserv::_exec_script(Client *client, char **env)
+{
+	int		save_stdout;
+	char * const * nll = NULL;
+
+	// save STDOUT
+	save_stdout = dup(STDOUT_FILENO);
+	// inside child process
+	if (fork() == 0)
+	{
+		dup2(client->fd, STDOUT_FILENO);
+//		execve("./srcs/cgi-bin/cgi_cpp.cgi", nll, client->env);
+		execve("./srcs/cgi-bin/php-cgi", nll, env);
+	}
+	// inside parent process
+	else
+		waitpid(-1, NULL, 0);
+	// restore stdout
+	dup2(save_stdout, STDOUT_FILENO);
+}
+
+void	Webserv::_construct_client(Client *client)
+{
+	(void)client;
+}
+