add: env variable support, but invalid read for a non existant variable

Makefile

@@ -1,5 +1,5 @@
-UTILS_SRC = utils/ft_is_in_quote.c utils/ft_strncpy.c utils/ft_strreplace.c utils/ft_strnchr.c utils/ft_split_quoted.c utils/ft_strshift.c utils/ft_quote_remover.c
-SRCS = ${UTILS_SRC} main.c file.c infile.c outfile.c heredoc.c syntatics.c cmd.c cmds.c env.c execution.c spacer.c
+UTILS_SRC = utils/ft_is_in_quote.c utils/ft_strncpy.c utils/ft_strreplace.c utils/ft_strnchr.c utils/ft_split_quoted.c utils/ft_strshift.c utils/ft_quote_remover.c utils/ft_str_is_empty.c
+SRCS = ${UTILS_SRC} main.c file.c infile.c outfile.c heredoc.c syntatics.c cmd.c cmds.c env.c execution.c spacer.c env_fill.c
 
 OBJS = ${SRCS:.c=.o}
 

cmd.c

@@ -6,10 +6,11 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/15 14:18:21 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/15 14:18:38 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 18:25:14 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
+#include "libftx/libftx.h"
 #include "minishell.h"
 
 void	ft_cmddel(void *ptr)
@@ -24,9 +25,10 @@ void	ft_cmddel(void *ptr)
 	free(content);
 }
 
-int	ft_cmd_filler(t_list *element, char **args)
+int	ft_cmd_filler(t_list *element, char **args, t_list **env)
 {
 	t_cmd	*content;
+	char	*temp;
 	size_t	i;
 
 	if (args == NULL)
@@ -35,7 +37,15 @@ int	ft_cmd_filler(t_list *element, char **args)
 	i = 0;
 	while (args[i] != NULL)
 	{
-		ft_quote_remover(args[i]);
+		temp = ft_env_filler(env, args[i]);
+		if (temp == NULL)
+		{
+			ft_eprintf("minishell: malloc failed\n");
+			return (1);
+		}
+		free(args[i]);
+		args[i] = temp;
+		ft_quote_remover(temp);
 		i++;
 	}
 	content->args = args;

cmds.c

@@ -6,13 +6,14 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/15 14:17:26 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/16 14:42:08 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 18:20:10 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
+#include "libftx/libftx.h"
 #include "minishell.h"
 
-int	ft_cmds_init(t_list **cmds, size_t len)
+static int	ft_cmds_init(t_list **cmds, size_t len)
 {
 	t_cmd	*content;
 	t_list	*current;
@@ -48,7 +49,7 @@ int	ft_cmds_init(t_list **cmds, size_t len)
 	return (0);
 }
 
-int	ft_cmds_prep(t_list **cmds, const char *line, int infile, int outfile)
+static int	ft_cmds_prep(t_list **cmds, const char *line, int infile, int outfile)
 {
 	size_t	len;
 	t_cmd	*cmd;
@@ -72,7 +73,7 @@ int	ft_cmds_prep(t_list **cmds, const char *line, int infile, int outfile)
 	return (0);
 }
 
-int	ft_cmds_fill(t_list **cmds, const char *line)
+static int	ft_cmds_fill(t_list **cmds, t_list **env, const char *line)
 {
 	char	**tab;
 	char	**args;
@@ -87,7 +88,7 @@ int	ft_cmds_fill(t_list **cmds, const char *line)
 	while (tab[i] != NULL)
 	{
 		args = ft_split_quoted(tab[i], ' ');
-		if (ft_cmd_filler(current, args) == 1)
+		if (ft_cmd_filler(current, args, env) == 1)
 		{
 			ft_lstclear(cmds, ft_cmddel);
 			ft_freer_tab_ultimate(2, args, tab);
@@ -100,7 +101,7 @@ int	ft_cmds_fill(t_list **cmds, const char *line)
 	return (0);
 }
 
-t_list	**ft_parse_cmds(char *line)
+t_list	**ft_parse_cmds(char *line, t_list **env)
 {
 	int		infile;
 	int		outfile;
@@ -113,7 +114,7 @@ t_list	**ft_parse_cmds(char *line)
 		return (NULL);
 	if (ft_cmds_prep(cmds, line, infile, outfile) == 1)
 		return (NULL);
-	if (ft_cmds_fill(cmds, line) == 1)
+	if (ft_cmds_fill(cmds, env, line) == 1)
 		return (NULL);
 	return (cmds);
 }

env.c

@@ -6,7 +6,7 @@
 /*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/02 14:39:56 by erey-bet          #+#    #+#             */
-/*   Updated: 2023/02/16 15:18:48 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 16:24:21 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -113,6 +113,7 @@ void	env_del(void *ptr)
 	content = ptr;
 	free(content->key);
 	free(content->value);
+	free(content);
 }
 
 char	*get_key(char *str)

env_fill.c

@@ -0,0 +1,76 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   env_fill.c                                         :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/02/16 16:29:08 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/02/16 17:49:03 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libftx/libftx.h"
+#include "minishell.h"
+#include "utils/utils.h"
+
+static char	*ft_get_value(t_list **env, const char *str, size_t start,
+		size_t stop)
+{
+	char	*key;
+	char	*value;
+
+	key = ft_strndup(str + start, stop);
+	if (key == NULL)
+	{
+		ft_eprintf("minishell: malloc failed\n");
+		return (NULL);
+	}
+	value = get_value_by_key(key, env);
+	if (value == NULL)
+		value = "";
+	free(key);
+	return (value);
+}
+
+char	*ft_env_filler(t_list **env, const char *str)
+{
+	size_t	i;
+	size_t	y;
+	char	*out;
+	char	*temp;
+	char	*value;
+
+	out = ft_strdup(str);
+	if (out == NULL)
+	{
+		ft_eprintf("minishell: malloc failed\n");
+		return (NULL);
+	}
+	i = 0;
+	while (out[i] != '\0')
+	{
+		while (ft_is_in_quote(out, i) == 1)
+			i++;
+		while (out[i] == '$')
+		{
+			y = i + 1;
+			while (out[y] != '\0' && out[y] != '$' && out[y] != ' ')
+				y++;
+			value = ft_get_value(env, out, i + 1, y - i - 1);
+			if (value == NULL)
+				return (NULL);
+			temp = ft_strreplace(out, value, i, y);
+			i = i + ft_strlen(value) - 1;
+			free(out);
+			if (temp == NULL)
+			{
+				ft_eprintf("minishell: malloc failed\n");
+				return (NULL);
+			}
+			out = temp;
+		}
+		i++;
+	}
+	return (out);
+}

execution.c

@@ -3,21 +3,7 @@
 #include "utils/utils.h"
 #include <unistd.h>
 
-static char	*ft_get_variable(char **env, char *variable)
-{
-	size_t	i;
-
-	i = 0;
-	while (env[i] != NULL)
-	{
-		if (ft_strncmp(variable, env[i], ft_strlen(variable)) == 0)
-			return (ft_strchr(env[i], '=') + 1);
-		i++;
-	}
-	return (NULL);
-}
-
-static char	*ft_get_executable_path(char *executable_name, char **env)
+static char	*ft_get_executable_path(char *executable_name, t_list **env)
 {
 	char	*path;
 	char	*temp;
@@ -33,10 +19,15 @@ static char	*ft_get_executable_path(char *executable_name, char **env)
 			ft_eprintf("minishell: malloc failed\n");
 			return (NULL);
 		}
+		if (access(path, X_OK) == 0)
+		{
+			ft_eprintf("minishell: %s: permission denied\n", path);
+			return (NULL);
+		}
 	}
 	else
 	{
-		tab = ft_split(ft_get_variable(env, "PATH"), ':');
+		tab = ft_split(get_value_by_key("PATH", env), ':');
 		if (tab == NULL)
 			return (NULL);
 		i = 0;
@@ -66,10 +57,11 @@ static char	*ft_get_executable_path(char *executable_name, char **env)
 	return (path);
 }
 
-static int	ft_excutor(t_cmd *cmd, char **env)
+static int	ft_excutor(t_cmd *cmd, t_list **env)
 {
 	int		pid;
 	int		return_value;
+	char	**tab;
 
 	if (cmd->fd_in == -1 || cmd->fd_out == -1)
 		return (1);
@@ -78,16 +70,21 @@ static int	ft_excutor(t_cmd *cmd, char **env)
 		return (1);
 	if (pid == 0)
 	{
+		//TODO DO THIS
+		/* tab = t_env2tab(env); */
+		/* if (tab == NULL) */
+		/* 	return (1); */
+		tab = NULL;
 		dup2(cmd->fd_out, 1);
 		dup2(cmd->fd_in, 0);
-		execve(cmd->executable, cmd->args, env);
+		execve(cmd->executable, cmd->args, tab);
 	}
 	else
 		waitpid(pid, &return_value, 0);
 	return (return_value);
 }
 
-int	ft_cmds_executor(t_list **cmds, char **env)
+int	ft_cmds_executor(t_list **cmds, t_list **env)
 {
 	t_cmd	*content;
 	t_list	*current;

infile.c

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/15 17:52:10 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/15 21:22:24 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 17:52:29 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -55,6 +55,9 @@ static int	ft_get_infile(const char *line)
 	i = 0;
 	while (tab[i + 1] != NULL)
 	{
+		if (tab[i][0] == '<')
+			if (fd != 0)
+				close(fd);
 		if (ft_strcmp("<", tab[i]) == 0)
 			fd = ft_file_is_readable(ft_quote_remover(tab[i + 1]));
 		else if (ft_strcmp("<<", tab[i]) == 0)

main.c

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/16 15:16:14 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/16 15:16:45 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 18:19:49 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -31,10 +31,10 @@ int	main(int ac, char **av, char **env)
 	data.env = init_env(env);
 	if (data.env == NULL)
 		return (1);
-	cmds = ft_parse_cmds(line);
+	cmds = ft_parse_cmds(line, data.env);
 	if (cmds == NULL)
 		return (1);
-	if (ft_cmds_executor(cmds, env) == 1)
+	if (ft_cmds_executor(cmds, data.env) == 1)
 	{
 		ft_lstclear(data.env, env_del);
 		ft_lstclear(cmds, ft_cmddel);

minishell.h

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/14 13:45:30 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/16 15:17:07 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 18:19:34 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,9 +23,8 @@
 # include <readline/history.h>
 
 t_list		**init_env(char **env);
-int			set_value_key(t_list **env, char *key, char *value);
-char		*get_value_index(int index, t_list **head);
-char		*get_value_key(char *key, t_list **head);
+int			set_value_by_key(char *key, char *value, t_list **env);
+char		*get_value_by_key(char *key, t_list **head);
 int			ft_syntatic_verif(const char *str);
 int			ft_file_is_readable(const char *path);
 int			ft_file_is_writable(const char *path);
@@ -35,13 +34,14 @@ int			ft_infile(char *line);
 int			ft_outfile(char *line);
 int			ft_heredoc(char *stop);
 size_t		ft_seglen_quoted(const char *str, char c);
-int			ft_cmds_executor(t_list **cmds, char **env);
+int			ft_cmds_executor(t_list **cmds, t_list **env);
 char		**ft_split_quoted(const char *s, char c);
 void		ft_cmddel(void *content);
 void		env_del(void *content);
-t_list		**ft_parse_cmds(char *line);
-int			ft_cmd_filler(t_list *current, char **args);
+t_list		**ft_parse_cmds(char *line, t_list **env);
+int			ft_cmd_filler(t_list *current, char **args, t_list **env);
 char		*ft_normalizer(char *str);
+char		*ft_env_filler(t_list **env, const char *str);
 
 typedef struct s_cmd
 {

outfile.c

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/15 18:01:07 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/15 21:22:51 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 17:53:28 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -50,10 +50,13 @@ static int	ft_get_outfile(const char *line)
 		ft_eprintf("minishell: malloc failed\n");
 		return (-2);
 	}
-	fd = 0;
+	fd = 1;
 	i = 0;
 	while (tab[i + 1] != NULL)
 	{
+		if (tab[i][0] == '>')
+			if (fd != 1)
+				close(fd);
 		if (ft_strcmp(">", tab[i]) == 0)
 			fd = ft_file_is_writable(ft_quote_remover(tab[i + 1]));
 		else if (ft_strcmp(">>", tab[i]) == 0)

spacer.c

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/15 13:35:50 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/16 14:53:16 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 16:26:15 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -101,6 +101,8 @@ char	*ft_normalizer(char *str)
 	char	*out;
 	char	*temp;
 
+	if (ft_str_is_empty(str))
+		return (ft_strdup(" "));
 	temp = ft_spacer_after(str);
 	if (temp == NULL)
 		return (NULL);
@@ -109,6 +111,7 @@ char	*ft_normalizer(char *str)
 	if (out == NULL)
 		return (NULL);
 	ft_space_simplifier(out);
+	if (out[ft_strlen(out) - 1] == ' ')
 		out[ft_strlen(out) - 1] = '\0';
 	return (out);
 }

syntatics.c

@@ -24,7 +24,9 @@ static int	ft_pipe_is_alone(const char *str)
 	{
 		while (str[i] == ' ')
 			i++;
-		if (str[i] != '|' && str[i] != '\0')
+		if (str[i] == '\0')
+			break ;
+		if (str[i] != '|')
 			check = 1;
 		else
 		{
@@ -89,7 +91,7 @@ int	ft_empty_verif(const char *str)
 int	ft_syntatic_verif(const char *str)
 {
 	return (ft_quote_verif(str)
-		|| ft_pipe_is_alone(str)
 		|| ft_empty_verif(str)
+		|| ft_pipe_is_alone(str)
 		|| ft_special_char_dub(str));
 }

utils/ft_str_is_empty.c

@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_str_is_empty.c                                  :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/02/16 16:12:46 by cchauvet          #+#    #+#             */
+/*   Updated: 2023/02/16 16:13:07 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "utils.h"
+
+int	ft_str_is_empty(const char *str)
+{
+	size_t	i;
+
+	i = 0;
+	while (str[i] == ' ')
+		i++;
+	return (str[i] == '\0');
+}

utils/utils.h

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/02/14 14:46:40 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/02/16 15:15:05 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/02/16 16:13:47 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,7 +21,7 @@ char		*ft_strreplace(const char *str, const char *fill,
 				size_t start, size_t stop);
 ssize_t		ft_strnchr(const char *str, char c);
 char		*ft_getstr(const char *str, size_t n);
-void		ft_printn(const char *str, size_t n);
+int			ft_str_is_empty(const char *str);
 char		**ft_split_quoted(const char *s, char c);
 void		ft_strshift(char *str, int shift);
 char		*ft_quote_remover(char *str);