40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* serv_do_cd.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/10/08 12:08:05 by jhalford #+# #+# */
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/* Updated: 2017/10/08 12:08:41 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_p.h"
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char g_rootdir[PATH_MAX];
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int serv_do_cd(int sock)
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{
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char path[MAXLINE];
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char *abspath;
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int ret;
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char *ok;
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if ((ret = read(sock, path, MAXLINE)) < 0)
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return (CMD_FAIL);
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path[ret] = 0;
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DG("received 'cd %s' command", path);
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ok = NULL;
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if (!(abspath = realpath(path, ok)))
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return (CD_DIR_NOT_FOUND);
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ft_strcpy(path, abspath);
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if (!*abspath)
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return (CD_DIR_NOT_FOUND);
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ft_strdel(&abspath);
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DG("absolute path is '%s'", path);
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DG("root dir is '%s'", g_rootdir);
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if (!ft_strstr(path, g_rootdir))
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return (CD_RESTRICTED_DIR);
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return (chdir(path) ? CMD_FAIL : CMD_SUCCESS);
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}
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