mirror of
https://github.com/KeyZox71/ft_minipowershell.git
synced 2025-05-10 22:58:45 +02:00
114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* exec_split_cmd.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mmoussou <mmoussou@student.42angouleme.fr +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/06/01 14:55:06 by mmoussou #+# #+# */
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/* Updated: 2024/06/13 14:11:18 by mmoussou ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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char *get_cmd_local_path(char *cmd, t_env *env)
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{
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(void) cmd;
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(void) env;
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// TODO : get pwd, append cmd, done.
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return (NULL);
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}
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int switch_cmd_path(t_cmd *cmd, t_env *env)
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{
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if (cmd->cmd[0] == '.' && cmd->cmd[1] == '/')
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cmd->cmd = get_cmd_local_path(cmd->cmd, env);
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else if (cmd->cmd[0] != '/')
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cmd->cmd = get_path(env_get_value("PATH", env), cmd->cmd);
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if (!(cmd->cmd))
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return (-1);
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return (0);
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}
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int exec_single_cmd(t_cmd *cmd, char **env, t_env *env_t)
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{
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int fork_pid;
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int status;
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status = dup2(cmd->infile, STDIN_FILENO);
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if (status == -1)
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return (-1);
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if (cmd->outfile != STDOUT_FILENO)
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status = dup2(STDOUT_FILENO, cmd->outfile);
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else
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status = dup2(STDOUT_FILENO, STDIN_FILENO);
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if (status == -1)
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return (-1);
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status = switch_cmd_path(cmd, env_t);
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if (status == -1)
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return (-1);
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fork_pid = fork();
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if (fork_pid == -1)
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return (-1);
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if (!fork_pid)
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status = execve(cmd->cmd, cmd->argv, env);
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if (!fork_pid)
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exit(-1);
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else
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waitpid(fork_pid, NULL, 0);
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return (0);
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}
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int exec_last_cmd(t_cmd *cmd, char **env, t_env *env_t)
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{
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int fork_pid;
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int status;
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status = dup2(cmd->infile, STDIN_FILENO);
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if (status == -1)
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return (-1);
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status = dup2(STDOUT_FILENO, cmd->outfile);
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if (status == -1)
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return (-1);
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status = switch_cmd_path(cmd, env_t);
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if (status == -1)
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return (-1);
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fork_pid = fork();
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if (fork_pid == -1)
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return (-1);
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if (!fork_pid)
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{
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status = execve(cmd->cmd, cmd->argv, env);
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exit(-1);
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}
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else
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waitpid(fork_pid, NULL, 0);
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return (0);
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}
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int exec_split_cmd(t_list *list_cmd, t_env *env)
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{
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char **env_array;
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int status;
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env_array = env_get(env);
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if (!env_array)
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return (-1);
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while (list_cmd->next)
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{
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status = exec_single_cmd(list_cmd->content, env_array, env);
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if (status == -1)
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{
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ft_free("a", &env_array);
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return (-1);
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}
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list_cmd = list_cmd->next;
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}
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status = exec_last_cmd(list_cmd->content, env_array, env);
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ft_free("a", &env_array);
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if (status == -1)
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return (-1);
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return (0);
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}
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