Bundle libseccomp 2.3.1

[linux-seccomp.git] / libseccomp / tests / 28-sim-arch_x86.c

diff --git a/libseccomp/tests/28-sim-arch_x86.c b/libseccomp/tests/28-sim-arch_x86.c
new file mode 100644 (file)
index 0000000..fa6302f
--- /dev/null
+++ b/libseccomp/tests/28-sim-arch_x86.c
@@ -0,0 +1,71 @@
+/**
+ * Seccomp Library test program
+ *
+ * This test triggered a bug in libseccomp erroneously allowing the close()
+ * syscall on x32 instead of 'KILL'ing it, as it should do for unsupported
+ * architectures.
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Authors: Paul Moore <pmoore@redhat.com>
+ *          Mathias Krause <minipli@googlemail.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <seccomp.h>
+
+#include "util.h"
+
+int main(int argc, char *argv[])
+{
+       int rc;
+       struct util_options opts;
+       scmp_filter_ctx ctx = NULL;
+
+       rc = util_getopt(argc, argv, &opts);
+       if (rc < 0)
+               goto out;
+
+       ctx = seccomp_init(SCMP_ACT_ALLOW);
+       if (ctx == NULL)
+               return ENOMEM;
+
+       rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE);
+       if (rc != 0)
+               goto out;
+
+       /* add x86-64 and x86 (in that order!) but explicitly leave out x32 */
+       rc = seccomp_arch_add(ctx, SCMP_ARCH_X86_64);
+       if (rc != 0)
+               goto out;
+       rc = seccomp_arch_add(ctx, SCMP_ARCH_X86);
+       if (rc != 0)
+               goto out;
+
+       rc = seccomp_rule_add(ctx, SCMP_ACT_ERRNO(1), SCMP_SYS(close), 0);
+       if (rc != 0)
+               goto out;
+
+       rc = util_filter_output(&opts, ctx);
+       if (rc)
+               goto out;
+
+out:
+       seccomp_release(ctx);
+       return (rc < 0 ? -rc : rc);
+}