61 lines
1.3 KiB
Diff
61 lines
1.3 KiB
Diff
--- sandbox-seccomp-filter.c.orig
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+++ sandbox-seccomp-filter.c
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@@ -89,7 +89,12 @@
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/* Load the syscall number for checking. */
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BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
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offsetof(struct seccomp_data, nr)),
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+#ifdef __NR_open
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SC_DENY(open, EACCES),
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+#endif
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+#ifdef __NR_openat
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+ SC_DENY(openat, EACCES),
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+#endif
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SC_ALLOW(getpid),
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SC_ALLOW(gettimeofday),
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SC_ALLOW(clock_gettime),
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@@ -121,12 +126,16 @@
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#ifdef __NR_ppoll
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SC_ALLOW(ppoll),
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#endif
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+#ifdef __NR_poll
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SC_ALLOW(poll),
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+#endif
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#ifdef __NR__newselect
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SC_ALLOW(_newselect),
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#else
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+#ifdef __NR_select
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SC_ALLOW(select),
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#endif
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+#endif
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SC_ALLOW(madvise),
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#ifdef __NR_mmap2 /* EABI ARM only has mmap2() */
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SC_ALLOW(mmap2),
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@@ -159,7 +168,12 @@
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/* Load the syscall number for checking. */
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BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
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offsetof(struct seccomp_data, nr)),
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+#ifdef __NR_open
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SC_DENY(open, EACCES),
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+#endif
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+#ifdef __NR_openat
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+ SC_DENY(openat, EACCES),
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+#endif
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SC_ALLOW(getpid),
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#ifdef __NR_getrandom
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SC_ALLOW(getrandom),
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@@ -184,11 +198,15 @@
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#ifdef __NR_ppoll
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SC_ALLOW(ppoll),
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#endif
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+#ifdef __NR_poll
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SC_ALLOW(poll),
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+#endif
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#ifdef __NR__newselect
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SC_ALLOW(_newselect),
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#else
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+#ifdef __NR_select
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SC_ALLOW(select),
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+#endif
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#endif
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SC_ALLOW(madvise),
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#ifdef __NR_mmap2 /* EABI ARM only has mmap2() */
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