forked from lix-project/lix
Don't silently succeed seccomp setup when !HAVE_SECCOMP.
Running Nix with build users without seccomp on Linux is dangerous, and administrators should very explicitly opt-in to it.
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@ -2471,9 +2471,9 @@ void DerivationGoal::chownToBuilder(const Path & path)
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void setupSeccomp()
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{
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#if __linux__ && HAVE_SECCOMP
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#if __linux__
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if (!settings.filterSyscalls) return;
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#if HAVE_SECCOMP
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scmp_filter_ctx ctx;
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if (!(ctx = seccomp_init(SCMP_ACT_ALLOW)))
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@ -2519,6 +2519,11 @@ void setupSeccomp()
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if (seccomp_load(ctx) != 0)
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throw SysError("unable to load seccomp BPF program");
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#else
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throw Error("%s\n%s",
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"seccomp is not supported on this platform"
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"you can avoid this by setting the filter-syscalls option to false, but note that untrusted builds can then create setuid binaries!");
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#endif
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#endif
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}
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