Get calling user ID in PHP setuid script


Get calling user ID in PHP setuid script



I have a PHP script on Linux in which the sticky bit is set, so it gets executed as the file owner. How can I get the user id of the calling process, for authorization purposes?

Context: I have two applications on a server, and want one to request some info from the other. For this reason the other offers a script with setuid, but I want to make sure it can only be called by the one.


C++ build systems [closed]

1:

API to translate group name to group id (gid)
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