From 7d53470dd0f735d4f94e34289fd4568340466f29 Mon Sep 17 00:00:00 2001
From: adjoly <adamjly@proton.me>
Date: Mon, 19 May 2025 11:42:24 +0200
Subject: [PATCH] =?UTF-8?q?=E3=80=8C=F0=9F=8F=97=EF=B8=8F=E3=80=8D=20wip:?=
 =?UTF-8?q?=20process=20fork=20should=20be=20nearly=20complete?=
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---
 includes/requests/Cgi.hpp     |  5 ++++-
 src/requests_handling/Cgi.cpp | 42 ++++++++++++++++++++++++++++++-----
 2 files changed, 40 insertions(+), 7 deletions(-)

diff --git a/includes/requests/Cgi.hpp b/includes/requests/Cgi.hpp
index d78490b..f3274ac 100644
--- a/includes/requests/Cgi.hpp
+++ b/includes/requests/Cgi.hpp
@@ -6,7 +6,7 @@
 /*   By: gadelbes <gadelbes@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/24 13:46:34 by gadelbes          #+#    #+#             */
-/*   Updated: 2025/05/16 12:26:18 by adjoly           ###   ########.fr       */
+/*   Updated: 2025/05/19 11:07:07 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -49,6 +49,9 @@ class Cgi : public server::AClientResource {
 	std::map<std::string, std::string> _envp; // The envp filled with _initEnvp
 	config::Route  *_conf; // The configuration for the route used
 	http::ARequest *_request; // The requests that will be used for the cgi
+
+	int	stdin_pipe[2]; // The pipefd for the stdin of the cgi
+	int stdout_pipe[2]; // The pipefd for the stdout of the cgi
 };
 
 }; // namespace webserv
diff --git a/src/requests_handling/Cgi.cpp b/src/requests_handling/Cgi.cpp
index ca48219..0904da2 100644
--- a/src/requests_handling/Cgi.cpp
+++ b/src/requests_handling/Cgi.cpp
@@ -6,17 +6,22 @@
 /*   By: gadelbes <gadelbes@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/24 13:46:34 by gadelbes          #+#    #+#             */
-/*   Updated: 2025/05/16 12:30:10 by adjoly           ###   ########.fr       */
+/*   Updated: 2025/05/19 11:41:28 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
+#include <cerrno>
 #include <cstddef>
+#include <cstdlib>
 #include <cstring>
 #include <help.hpp>
 #include <requests/Cgi.hpp>
 
 #include <fcntl.h>
+#include <sstream>
 #include <string>
+#include <sys/wait.h>
+#include <unistd.h>
 
 using namespace webserv;
 
@@ -90,13 +95,38 @@ char **Cgi::_genEnv(void) {
 	return newEnv;
 }
 
-void Cgi::process() {
-	int pipefd[2];
-	int forkPid;
+void Cgi::process(void) {
+	int	  pipefd[2];
+	pid_t forkPid;
 
-	if (pipe(pipefd) <= -1) {
-		// TODO: error handling
+	if (pipe(pipefd) == -1) {
+		throw;
+		// TODO: error handling pipe fail
 	}
 
 	forkPid = fork();
+	if (forkPid < 0) {
+		throw;
+		// TODO: fork fail
+	} else if (forkPid == 0) {
+		dup2(pipefd[1], STDOUT_FILENO);
+		close(pipefd[1]);
+		close(pipefd[0]);
+
+		char  *argv[] = {const_cast<char *>(_cgi_path.c_str()),
+						 const_cast<char *>(_script_path.c_str()), NULL};
+		char **env = _genEnv();
+
+		if (execve(_cgi_path.c_str(), argv, env) == -1) {
+			std::stringstream str;
+			str << "how did you do that ???? : ";
+			str << errno;
+			_log->error(str.str());
+			for (int i = 0; env[i] != NULL; i++)
+				delete env[i];
+			delete env;
+			exit(EXIT_FAILURE);
+		}
+	}
+	waitpid(forkPid, NULL, 0);
 }