X-Git-Url: http://git.ieval.ro/?p=linux-seccomp.git;a=blobdiff_plain;f=libseccomp%2Ftests%2F29-sim-pseudo_syscall.c;fp=libseccomp%2Ftests%2F29-sim-pseudo_syscall.c;h=acf9c19310a0f04107a6bc0a9be46fc8e6512136;hp=0000000000000000000000000000000000000000;hb=8befd5cc4d2b478c697d81a5ac191083c203d081;hpb=bcf524c10c0ad85fcef711acffc3251bb8472352

diff --git a/libseccomp/tests/29-sim-pseudo_syscall.c b/libseccomp/tests/29-sim-pseudo_syscall.c
new file mode 100644
index 0000000..acf9c19
--- /dev/null
+++ b/libseccomp/tests/29-sim-pseudo_syscall.c
@@ -0,0 +1,71 @@
+/**
+ * Seccomp Library test program
+ *
+ * Copyright (c) 2015 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.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;
+
+	/* NOTE: we have to be careful here because some ABIs use syscall
+	 *       offsets which could interfere with our test, x86 is safe */
+	rc = seccomp_arch_remove(ctx, SCMP_ARCH_NATIVE);
+	if (rc < 0)
+		goto out;
+	rc = seccomp_arch_add(ctx, SCMP_ARCH_X86);
+	if (rc < 0)
+		goto out;
+
+	/* SCMP_SYS(sysmips) == 4294957190 (unsigned) */
+	rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, SCMP_SYS(sysmips), 0);
+	if (rc < 0)
+		goto out;
+	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_KILL, SCMP_SYS(sysmips), 0);
+	if (rc == 0)
+		goto out;
+	/* -10001 == 4294957295 (unsigned) */
+	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_KILL, -11001, 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);
+}