Hi folks,
Can I ask if there's any way to get ucred/xucred of a process in user space?
As I'm trying to port glustertfs and it's a userland filesystem, I need to
get secondary groups of a process.
AFAIK, Linux gets them in /proc and NetBSD gets them in this way:
int name[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, frame->root->pid
};
size_t namelen = sizeof name / sizeof name[0];
struct kinfo_proc kp;
size_t kplen = sizeof(kp);
int i, ngroups;
if (sysctl(name, namelen, &kp, &kplen, NULL, 0) != 0)
return;
ngroups = MIN(kp.kp_eproc.e_ucred.cr_ngroups, GF_REQUEST_MAXGROUPS);
I realized none of them would work in FreeBSD.
I'm wondering if there's any alternative way to get group information?
--
Cheers,
Mike
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