我有一个perl脚本,从外部进程获取用户名和密码,然后使用Vintela进行用户身份验证 . 一切都很有效,直到有人强迫Vintela冲洗它的缓存 . 刷新缓存后,Authen :: PAM模块返回代码10,这意味着它找不到用户名 .

如果我在shell中运行“id $ username”命令然后运行脚本,那么该用户的一切都恢复正常 . 或者如果用户SSH进入系统,那么Authen :: PAM可以很好地工作 .

在 生产环境 服务器上,用户不要SSH进入服务器,因此在Vintela刷新后,用户无法再登录 . 在我对它们进行身份验证之前,我不想为每个用户运行“id”命令 . 有没有办法可以强制脚本或PAM模块查找用户然后验证它们?

脚本 -

BEGIN {
    unshift(@INC, "..", "/usr/local/staf/bin", "/usr/local/staf/lib", "C:/STAF/Bin");
}

use strict;
use PLSTAF;
require Authen::PAM;

my $GlobalUserName = <STDIN>;
my $GlobalPasswd = <STDIN>;
my $result = -1;


$GlobalPasswd = STAF::RemovePrivacyDelimiters($GlobalPasswd);

my $pamHandle = Authen::PAM->new("login", $GlobalUserName, \&conversionFunction);
$result = $pamHandle->pam_authenticate();

# force the destructor execution for PAM
$pamHandle = 0;

# When $result is 0 then user has been authenticated
if ($result == 0) {
    print $result;
    exit $result;
}
else {
    exit $result;
}


sub conversionFunction {

    my @response = ();

    # PAM constants
    my $pamEchoOn = Authen::PAM->PAM_PROMPT_ECHO_ON();
    my $pamEchoOff = Authen::PAM->PAM_PROMPT_ECHO_OFF();
    my $pamSuccess = Authen::PAM->PAM_SUCCESS();

    while ( @_ ) {
        my $code = shift;
        my $msg = shift;
        my $answer = "";

        if ($code == $pamEchoOn) {
            $answer = $GlobalUserName;
        }
        if ($code == $pamEchoOff) {
            $answer = $GlobalPasswd;
        }

        # response is always in pairs, response code and the actual answer
        push(@response, $pamSuccess, $answer);
    }
    push(@response, $pamSuccess);

    return @response;
}