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Will Drewry
8ac270d1e2
Documents how system call filtering using Berkeley Packet
Filter programs works and how it may be used.
Includes an example for x86 and a semi-generic
example using a macro-based code generator.
Acked-by: Eric Paris <[email protected]>
Signed-off-by: Will Drewry <[email protected]>
Acked-by: Kees Cook <[email protected]>
v18: - added acked by
- update no new privs numbers
v17: - remove @compat note and add Pitfalls section for arch checking
([email protected])
v16: -
v15: -
v14: - rebase/nochanges
v13: - rebase on to 88ebdda615
v12: - comment on the ptrace_event use
- update arch support comment
- note the behavior of SECCOMP_RET_DATA when there are multiple filters
([email protected])
- lots of samples/ clean up incl 64-bit bpf-direct support
([email protected])
- rebase to linux-next
v11: - overhaul return value language, updates ([email protected])
- comment on do_exit(SIGSYS)
v10: - update for SIGSYS
- update for new seccomp_data layout
- update for ptrace option use
v9: - updated bpf-direct.c for SIGILL
v8: - add PR_SET_NO_NEW_PRIVS to the samples.
v7: - updated for all the new stuff in v7: TRAP, TRACE
- only talk about PR_SET_SECCOMP now
- fixed bad JLE32 check ([email protected])
- adds dropper.c: a simple system call disabler
v6: - tweak the language to note the requirement of
PR_SET_NO_NEW_PRIVS being called prior to use. ([email protected])
v5: - update sample to use system call arguments
- adds a "fancy" example using a macro-based generator
- cleaned up bpf in the sample
- update docs to mention arguments
- fix prctl value ([email protected])
- language cleanup ([email protected])
v4: - update for no_new_privs use
- minor tweaks
v3: - call out BPF <-> Berkeley Packet Filter ([email protected])
- document use of tentative always-unprivileged
- guard sample compilation for i386 and x86_64
v2: - move code to samples ([email protected])
Signed-off-by: James Morris <[email protected]>
5 lines
164 B
Makefile
5 lines
164 B
Makefile
# Makefile for Linux samples code
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obj-$(CONFIG_SAMPLES) += kobject/ kprobes/ tracepoints/ trace_events/ \
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hw_breakpoint/ kfifo/ kdb/ hidraw/ rpmsg/ seccomp/
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