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2 Commits

Author SHA1 Message Date
Stefano Brivio
819d13bb92 seccomp.sh: Handle missing ausyscall(8) or unknown syscall number 
...try sourcing it with the compiler from <sys/syscalls.h> before
giving up.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
 2021-10-21 01:21:26 +02:00
Stefano Brivio
66d5930ec7 passt, pasta: Add seccomp support 
List of allowed syscalls comes from comments in the form:
	#syscalls <list>

for syscalls needed both in passt and pasta mode, and:
	#syscalls:pasta <list>
	#syscalls:passt <list>

for syscalls specifically needed in pasta or passt mode only.

seccomp.sh builds a list of BPF statements from those comments,
prefixed by a binary search tree to keep lookup fast.

While at it, clean up a bit the Makefile using wildcards.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
 2021-10-14 13:15:46 +02:00