#include "ft_p.h"

char	g_rootdir[PATH_MAX];

int		serv_do_cd(int sock)
{
	char 	path[MAXLINE];
	char	*abspath;
	int		ret;
	char	*ok;

	if ((ret = read(sock, path, MAXLINE)) < 0)
		return (CMD_FAIL);
	path[ret] = 0;

	DG("received 'cd %s' command", path);

	ok = NULL;
	if (!(abspath = realpath(path, ok)))
		return (CD_DIR_NOT_FOUND);

	ft_strcpy(path, abspath);
	if (!*abspath)
		return (CD_DIR_NOT_FOUND);

	ft_strdel(&abspath);

	DG("absolute path is '%s'", path);
	DG("root dir is '%s'", g_rootdir);

	if (!ft_strstr(path, g_rootdir))
		return (CD_RESTRICTED_DIR);
	return(chdir(path) ? CMD_FAIL : CMD_SUCCESS);
}