这篇文章主要介绍了PHP调用Linux命令权限不足问题解决方法,本文是解决项目问题总结而来,通过修改sudo配置文件解决无权限执行命令问题,需要的朋友可以参考下
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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