openssh/openssh-6.7p1-seccomp-aarch64.patch

67 lines
1.8 KiB
Diff

diff --git a/configure.ac b/configure.ac
index 4065d0e..d59ad44 100644
--- a/configure.ac
+++ b/configure.ac
@@ -764,9 +764,12 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
i*86-*)
seccomp_audit_arch=AUDIT_ARCH_I386
;;
- arm*-*)
+ aarch64*-*)
+ seccomp_audit_arch=AUDIT_ARCH_AARCH64
+ ;;
+ arm*-*)
seccomp_audit_arch=AUDIT_ARCH_ARM
- ;;
+ ;;
esac
if test "x$seccomp_audit_arch" != "x" ; then
AC_MSG_RESULT(["$seccomp_audit_arch"])
diff --git a/sandbox-seccomp-filter.c b/sandbox-seccomp-filter.c
index 095b04a..52f6810 100644
--- a/sandbox-seccomp-filter.c
+++ b/sandbox-seccomp-filter.c
@@ -90,8 +90,20 @@ static const struct sock_filter preauth_insns[] = {
/* Load the syscall number for checking. */
BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
offsetof(struct seccomp_data, nr)),
- SC_DENY(open, EACCES),
- SC_DENY(stat, EACCES),
+ SC_DENY(openat, EACCES),
+#ifdef __NR_open
+ SC_DENY(open, EACCES), /* - AArch64 */
+#endif
+#ifdef __NR_fstat
+ SC_DENY(fstat, EACCES), /* + x86_64 */
+#endif
+#if defined(__NR_stat64) && defined(__NR_fstat64)
+ SC_DENY(stat64, EACCES), /* + ix86, arm */
+ SC_DENY(fstat64, EACCES),
+#endif
+#ifdef __NR_newfstatat
+ SC_DENY(newfstatat, EACCES), /* + Aarch64 */
+#endif
SC_ALLOW(getpid),
SC_ALLOW(gettimeofday),
SC_ALLOW(clock_gettime),
@@ -111,12 +123,19 @@ static const struct sock_filter preauth_insns[] = {
SC_ALLOW(shutdown),
#endif
SC_ALLOW(brk),
+#ifdef __NR_poll /* Not available on AArch64 */
SC_ALLOW(poll),
+#endif
#ifdef __NR__newselect
SC_ALLOW(_newselect),
#else
+#ifdef __NR_select /* Not available on AArch64 */
SC_ALLOW(select),
#endif
+#ifdef __NR_pselect6 /* + AArch64 */
+ SC_ALLOW(pselect6),
+#endif
+#endif
SC_ALLOW(madvise),
#ifdef __NR_mmap2 /* EABI ARM only has mmap2() */
SC_ALLOW(mmap2),