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-rw-r--r--tools/scmp_sys_resolver.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/tools/scmp_sys_resolver.c b/tools/scmp_sys_resolver.c
new file mode 100644
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--- /dev/null
+++ b/tools/scmp_sys_resolver.c
@@ -0,0 +1,96 @@
+/**
+ * Syscall resolver
+ *
+ * Copyright (c) 2012 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 <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <seccomp.h>
+
+/**
+ * Print the usage information to stderr and exit
+ * @param program the name of the current program being invoked
+ *
+ * Print the usage information and exit with EINVAL.
+ *
+ */
+static void exit_usage(const char *program)
+{
+ fprintf(stderr,
+ "usage: %s [-h] [-a <arch>] [-t] <name>|<number>\n",
+ program);
+ exit(EINVAL);
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+ int opt;
+ int translate = 0;
+ uint32_t arch;
+ int sys_num;
+ const char *sys_name;
+
+ arch = seccomp_arch_native();
+
+ /* parse the command line */
+ while ((opt = getopt(argc, argv, "a:ht")) > 0) {
+ switch (opt) {
+ case 'a':
+ arch = seccomp_arch_resolve_name(optarg);
+ if (arch == 0)
+ exit_usage(argv[0]);
+ break;
+ case 't':
+ translate = 1;
+ break;
+ case 'h':
+ default:
+ /* usage information */
+ exit_usage(argv[0]);
+ }
+ }
+
+ /* sanity checks */
+ if (optind >= argc)
+ exit_usage(argv[0]);
+
+ /* perform the syscall lookup */
+ if (isdigit(argv[optind][0]) || argv[optind][0] == '-') {
+ sys_num = atoi(argv[optind]);
+ sys_name = seccomp_syscall_resolve_num_arch(arch, sys_num);
+ printf("%s\n", (sys_name ? sys_name : "UNKNOWN"));
+ } else if (translate) {
+ sys_num = seccomp_syscall_resolve_name_rewrite(arch,
+ argv[optind]);
+ printf("%d\n", sys_num);
+ } else {
+ sys_num = seccomp_syscall_resolve_name_arch(arch, argv[optind]);
+ printf("%d\n", sys_num);
+ }
+
+ return 0;
+}