update: executes commands only in /usr/bin

2025-07-31 14:45:06 +02:00
parent 4cf27740de
commit 7b7d500db9
4 changed files with 158 additions and 7 deletions
--- a/src/minishell.c
+++ b/src/minishell.c
@@ -0,0 +1,103 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   minishell.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: sede-san <sede-san@student.42madrid.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/07/31 03:42:25 by sede-san          #+#    #+#             */
+/*   Updated: 2025/07/31 14:43:43 by sede-san         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+static t_minishell	init_minishell(void);
+
+int	main(
+	int argc,
+	char const *argv[],
+	char **envp
+)
+{
+	t_minishell	minishell;
+	char		*line;
+
+	minishell = init_minishell();
+	line = NULL;
+	(void)argv;
+	(void)envp;
+	if (argc != 1)
+		return (EXIT_FAILURE);
+
+	/* ====================================================================== */
+
+	char *cmd = "/usr/bin/whoami";
+	char *args[] = {"whoami", NULL};
+	__pid_t	pid = fork(); // Creates a "secondary" process
+	if (pid == 0)
+	{
+		execve(cmd, args, envp);
+		exit(0);
+	}
+	waitpid(pid, NULL, 0); // Makes the "parent" process wait until the "child"
+                           // has finished
+
+	/* ====================================================================== */
+
+	cmd = "/usr/bin/hostname";
+	args[0] = "hostname";
+	args[1] = NULL;
+	pid = fork();
+	if (pid == 0)
+	{
+		execve(cmd, args, envp);
+		exit(0);
+	}
+	waitpid(pid, NULL, 0);
+	read_history(minishell.history_file);
+	while (1)
+	{
+		if (line)
+			free(line);
+		line = readline(minishell.prompt);
+		if (!line)
+			break ;
+		if (*line)
+		{
+			add_history(line);
+			write_history(minishell.history_file);
+			if (!ft_strncmp("exit\0", line, 5))
+				break ;
+			cmd = ft_strjoin("/usr/bin/", line);
+			args[0] = line;
+			args[1] = NULL;
+			pid = fork();
+			if (pid == 0)
+			{
+				execve(cmd, args, envp);
+				exit(0);
+			}
+			waitpid(pid, NULL, 0);
+			free(cmd);
+		}
+		// ft_putendl(line);
+	}
+	rl_clear_history();
+	free(line);
+	free((char *)minishell.history_file);
+	ft_free_split(minishell.env.path);
+	return (EXIT_SUCCESS);
+}
+
+static t_minishell	init_minishell(void)
+{
+	t_minishell	minishell;
+
+	ft_bzero(&minishell, sizeof(t_minishell));
+	minishell.prompt = RED_TEXT"minishell> "RESET;
+	minishell.env.home = getenv("HOME");
+	minishell.history_file = ft_strjoin(minishell.env.home, HISTORY_FILE);
+	minishell.env.path = ft_split(getenv("PATH"), ':');
+	return (minishell);
+}