Hi,
I am looking for some way to extract original user for a given
process. For example,
A user types following command
i ) guest log's in as "aaa"
ii ) su - "bbb"
iii ) su - "ccc"
iv ) ./a.out
I want to find the actual user i.e. "aaa". Can this be acheived on Linux 2.4.20?
I am thinking of following solution but don't know whether this will
work in all the cases or is there is any better way to achieve this.
struct task_struct {
...
pid_t session; /* Stores login session pid */
...
}
This "session" is the pid of login session process. Using this pid we
can traverse task_struct and get "uid" associated with this pid and
hence original user.
Thanks in advance.
Regards,
Linux Dang
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