Mercurial > hg > dhcpcd
changeset 5240:0281af78918f draft
privsep: Add comment about BPF returing EPERM on OpenBSD.
Looks like an OpenBSD bug.
| author | Roy Marples <roy@marples.name> |
|---|---|
| date | Wed, 20 May 2020 14:15:30 +0100 |
| parents | 4507bcbe200d |
| children | 989bcc6c8e70 |
| files | src/privsep-bpf.c |
| diffstat | 1 files changed, 7 insertions(+), 0 deletions(-) [+] |
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--- a/src/privsep-bpf.c Wed May 20 14:07:36 2020 +0100 +++ b/src/privsep-bpf.c Wed May 20 14:15:30 2020 +0100 @@ -106,6 +106,13 @@ { struct ps_process *psp = arg; + /* + * OpenBSD-6.6 at least will return EPERM here for every + * BOOTP sent except for the first one. + * However with wih EPERM, the BOOTP message is *still* sent. + * This means the BPF write filter isn't working as it should. + * On FreeBSD it works fine. + */ if (ps_recvpsmsg(psp->psp_ctx, psp->psp_fd, ps_bpf_recvmsgcb, arg) == -1) logerr(__func__);