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libstore/build: always enable seccomp filtering and no-new-privileges

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Seccomp filtering and the no-new-privileges functionality improve the security
of the sandbox, and have been enabled by default for a long time. In
https://git.lix.systems/lix-project/lix/issues/265 it was decided that they
should be enabled unconditionally. Accordingly, remove the allow-new-privileges
(which had weird behavior anyway) and filter-syscall settings, and force the
security features on. Syscall filtering can still be enabled at build time to
support building on architectures libseccomp doesn't support.

Change-Id: Iedbfa18d720ae557dee07a24f69b2520f30119cb
This commit is contained in:
Alois Wohlschlager
2024-05-24 21:19:29 +00:00
committed by alois31
parent 19ea351642
commit f047e4357b
14 changed files with 87 additions and 78 deletions
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src/libstore/linux/fchmodat2-compat.hh
+13 -15
View File
@@ -20,18 +20,16 @@
#pragma once
///@file
#if HAVE_SECCOMP
# if defined(__alpha__)
# define NIX_SYSCALL_FCHMODAT2 562
# elif defined(__x86_64__) && SIZE_MAX == 0xFFFFFFFF // x32
# define NIX_SYSCALL_FCHMODAT2 1073742276
# elif defined(__mips__) && defined(__mips64) && defined(_ABIN64) // mips64/n64
# define NIX_SYSCALL_FCHMODAT2 5452
# elif defined(__mips__) && defined(__mips64) && defined(_ABIN32) // mips64/n32
# define NIX_SYSCALL_FCHMODAT2 6452
# elif defined(__mips__) && defined(_ABIO32) // mips32
# define NIX_SYSCALL_FCHMODAT2 4452
# else
# define NIX_SYSCALL_FCHMODAT2 452
# endif
#endif // HAVE_SECCOMP
#if defined(__alpha__)
# define NIX_SYSCALL_FCHMODAT2 562
#elif defined(__x86_64__) && SIZE_MAX == 0xFFFFFFFF // x32
# define NIX_SYSCALL_FCHMODAT2 1073742276
#elif defined(__mips__) && defined(__mips64) && defined(_ABIN64) // mips64/n64
# define NIX_SYSCALL_FCHMODAT2 5452
#elif defined(__mips__) && defined(__mips64) && defined(_ABIN32) // mips64/n32
# define NIX_SYSCALL_FCHMODAT2 6452
#elif defined(__mips__) && defined(_ABIO32) // mips32
# define NIX_SYSCALL_FCHMODAT2 4452
#else
# define NIX_SYSCALL_FCHMODAT2 452
#endif