lib_users.py 文件源码

def read_users_from_passwd(dirname="/etc"):
    """
    Reads users from /etc/passwd, /etc/shadow (if it has access) and /etc/group
    """
    pwds = pwd.getpwall()
    spwds = spwd.getspall()
    sn = {}
    for s in spwds:
        sn[s.sp_nam] = s
    users = {}

    for p in pwds:
        if p.pw_uid >= UID_MIN and p.pw_uid <= UID_MAX:
            if p.pw_name in sn:
                s = sn[p.pw_name]
            else:
                #print " * I couldn't find user %s in shadow file. Are you \
#root?" % p.pw_name
                s = spwd.struct_spwd(["", "x", "", "", "", "", "", "", ""])
            rname, office, wphone, hphone = (p.pw_gecos + ",,,").split(",")[:4]
            u = User(p.pw_name, p.pw_uid, rname, office, wphone, hphone,
                p.pw_dir, p.pw_shell, [], s.sp_min, s.sp_max, s.sp_warn, 
                s.sp_inact, s.sp_expire, s.sp_pwd, "")
            if u.inact == -1:
                u.inact = ''
            if u.expire == -1:
                u.expire = ''
            users[u.name] = u

    grps = grp.getgrall()
    for g in grps:
        for gu in g.gr_mem:
            if gu in users:
                users[gu].groups.append(g.gr_name)

    return sorted_users(users)