CVS log for src/sys/net/bpfdesc.h

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Default branch: MAIN
Current tag: OPENBSD_3_5

Revision 1.11 / (download) - annotate - [select for diffs], Wed Oct 22 18:42:40 2003 UTC (20 years, 7 months ago) by canacar
Branch: MAIN
CVS Tags: OPENBSD_3_5_BASE, OPENBSD_3_5
Changes since 1.10: +5 -3 lines
Diff to previous 1.10 (colored)

Add locking and write filtering to bpf descriptors.
Locking prevents dangerous ioctls such as changing the
interface and sending signals to be executed by an
unprivileged process. A filter can also be applied
to packets injected through a bpf descriptor.

These features allow programs using bpf descriptors to
safely drop/seperate privileges.

ok frantzen@ henning@ mcbride@

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