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PHP调用Linux命令权限不足问题解决方法_php技巧

WBOY
WBOYOriginal
2016-05-16 20:23:531258browse

业务背景:  yourcmd为我的linux程序,它对权限要求非常严格,当用php去执行yourcmd程序

系统:CentOS 6.3

apache是php的执行用户

用exec函数去执行linux系统上的程序/usr/local/yourcmd/sbin/yourcmd

php代码如下:

复制代码 代码如下:

$conf_file = "/var/www/html/webroot/test.tmp";
$command = "sudo /usr/local/yourcmd/sbin/yourcmd -t -f {$conf_file}";
exec($command,$out);
print_r($out);

测试结果为没有权限
复制代码 代码如下:

Array ( [0] => sudo: no tty present and no askpass program specified )

解决步骤:
复制代码 代码如下:

$ visudo

1)注释以下行
复制代码 代码如下:

#Defaults    requiretty

2)在文件末尾加入以下
复制代码 代码如下:

apache ALL=(ALL) NOPASSWD: ALL
Cmnd_Alias yourcmd = /usr/local/yourcmd/sbin/yourcmd

最后测试结果
复制代码 代码如下:

Array ( [0] => Warning: memory is too small: 1044725760 [1] => test configure is ok )
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