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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:09:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:09:30 +0000
commit81749f1fe87e489c4e2e7408a0fae9370c3810b3 (patch)
tree2d1345a5762855b6577495d90ac134c4e92d7ff8 /tests/29-sim-pseudo_syscall.c
parentInitial commit. (diff)
downloadlibseccomp-81749f1fe87e489c4e2e7408a0fae9370c3810b3.tar.xz
libseccomp-81749f1fe87e489c4e2e7408a0fae9370c3810b3.zip
Adding upstream version 2.5.5.upstream/2.5.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/29-sim-pseudo_syscall.c')
-rw-r--r--tests/29-sim-pseudo_syscall.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/29-sim-pseudo_syscall.c b/tests/29-sim-pseudo_syscall.c
new file mode 100644
index 0000000..acf9c19
--- /dev/null
+++ b/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);
+}