Bundle libseccomp 2.3.1

[linux-seccomp.git] / libseccomp / tests / 24-live-arg_allow.c

diff --git a/libseccomp/tests/24-live-arg_allow.c b/libseccomp/tests/24-live-arg_allow.c
new file mode 100644 (file)
index 0000000..f6e746f
--- /dev/null
+++ b/libseccomp/tests/24-live-arg_allow.c
@@ -0,0 +1,93 @@
+/**
+ * Seccomp Library test program
+ *
+ * Copyright (c) 2013 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 <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <seccomp.h>
+
+#include "util.h"
+
+int main(int argc, char *argv[])
+{
+       int rc;
+       int fd;
+       scmp_filter_ctx ctx = NULL;
+       const char buf[] = "testing";
+       ssize_t buf_len = strlen(buf);
+
+       rc = util_action_parse(argv[1]);
+       if (rc != SCMP_ACT_ALLOW) {
+               rc = 1;
+               goto out;
+       }
+
+       rc = util_trap_install();
+       if (rc != 0)
+               goto out;
+
+       fd = open("/dev/null", O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
+       if (fd < 0) {
+               rc = errno;
+               goto out;
+       }
+
+       ctx = seccomp_init(SCMP_ACT_TRAP);
+       if (ctx == NULL)
+               return ENOMEM;
+
+       rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 1,
+                             SCMP_A0(SCMP_CMP_EQ, fd));
+       if (rc != 0)
+               goto out;
+       rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(close), 0);
+       if (rc != 0)
+               goto out;
+       rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(rt_sigreturn), 0);
+       if (rc != 0)
+               goto out;
+       rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(exit_group), 0);
+       if (rc != 0)
+               goto out;
+
+       rc = seccomp_load(ctx);
+       if (rc != 0)
+               goto out;
+
+       if (write(fd, buf, buf_len) < buf_len) {
+               rc = errno;
+               goto out;
+       }
+       if (close(fd) < 0) {
+               rc = errno;
+               goto out;
+       }
+
+       rc = 160;
+
+out:
+       seccomp_release(ctx);
+       return (rc < 0 ? -rc : rc);
+}