python检查目录文件权限并修改目录文件权限的操作

 # -*- coding: utf-8 -*- # @author flynetcn import sys, os, pwd, stat, datetime; LOG_FILE = '/var/log/checkDirPermission.log'; nginxWritableDirs = [ '/var/log/nginx', '/usr/local/www/var', ]; otherReadableDirs = [ '/var/log/nginx', '/usr/local/www/var/log', ]; dirs = []; files = []; def logger(level, str):	logFd = open(LOG_FILE, 'a');	logFd.write(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')+": "+("WARNING " if level else "NOTICE ")+str);	logFd.close(); def walktree(top, callback):	for f in os.listdir(top):	pathname = os.path.join(top, f);	mode = os.stat(pathname).st_mode;	if stat.S_ISDIR(mode):	callback(pathname, True);	walktree(pathname, callback);	elif stat.S_ISREG(mode):	callback(pathname, False);	else:	logger(1, "walktree skipping %s\n" % (pathname)); def collectPath(path, isDir=False):	if isDir:	dirs.append(path);	else:	files.append(path); def checkNginxWritableDirs(paths):	uid = pwd.getpwnam('nginx').pw_uid;	gid = pwd.getpwnam('nginx').pw_gid;	for d in paths:	dstat = os.stat(d);	if dstat.st_uid != uid:	try:	os.chown(d, uid, gid);	except:	logger(1, "chown(%s, nginx, nginx) failed\n" % (d)); def checkOtherReadableDirs(paths, isDir=False):	for d in paths:	dstat = os.stat(d);	if isDir:	checkMode = 5;	willBeMode = dstat.st_mode | stat.S_IROTH | stat.S_IXOTH;	else:	checkMode = 4;	willBeMode = dstat.st_mode | stat.S_IROTH;	if int(oct(dstat.st_mode)[-1:]) & checkMode != checkMode:	try:	os.chmod(d, willBeMode);	except:	logger(1, "chmod(%s, %d) failed\n" % (d, oct(willBeMode))); if __name__ == "__main__":	for d in nginxWritableDirs:	walktree(d, collectPath)	dirs = dirs + files;	checkNginxWritableDirs(dirs);	dirs = [];	files = [];	for d in otherReadableDirs:	walktree(d, collectPath)	checkOtherReadableDirs(dirs, True);	checkOtherReadableDirs(files, False); 

 #!/usr/bin/env python # -*- coding: utf-8 -*- import os import pwd import stat def is_readable(path, user): user_info = pwd.getpwnam(user) uid = user_info.pw_uid gid = user_info.pw_gid s = os.stat(path) mode = s[stat.ST_MODE] return ( ((s[stat.ST_UID] == uid) and (mode & stat.S_IRUSR > 0)) or ((s[stat.ST_GID] == gid) and (mode & stat.S_IRGRP > 0)) or (mode & stat.S_IROTH > 0) ) def is_writable(path, user): user_info = pwd.getpwnam(user) uid = user_info.pw_uid gid = user_info.pw_gid s = os.stat(path) mode = s[stat.ST_MODE] return ( ((s[stat.ST_UID] == uid) and (mode & stat.S_IWUSR > 0)) or ((s[stat.ST_GID] == gid) and (mode & stat.S_IWGRP > 0)) or (mode & stat.S_IWOTH > 0) ) def is_executable(path, user): user_info = pwd.getpwnam(user) uid = user_info.pw_uid gid = user_info.pw_gid s = os.stat(path) mode = s[stat.ST_MODE] return ( ((s[stat.ST_UID] == uid) and (mode & stat.S_IXUSR > 0)) or ((s[stat.ST_GID] == gid) and (mode & stat.S_IXGRP > 0)) or (mode & stat.S_IXOTH > 0) )

 print is_readable('/home', root) print is_writable('/home', root) print is_executable('/home', root) print is_readable('/tmp', admin) print is_writable('/tmp', admin) print is_executable('/tmp', admin)