X-Git-Url: http://git.ieval.ro/?p=linux-seccomp.git;a=blobdiff_plain;f=libseccomp%2Ftools%2Fscmp_sys_resolver.c;fp=libseccomp%2Ftools%2Fscmp_sys_resolver.c;h=9be2c24cce660bdd45c36a1f044e907dc2c943d0;hp=0000000000000000000000000000000000000000;hb=8befd5cc4d2b478c697d81a5ac191083c203d081;hpb=bcf524c10c0ad85fcef711acffc3251bb8472352

diff --git a/libseccomp/tools/scmp_sys_resolver.c b/libseccomp/tools/scmp_sys_resolver.c
new file mode 100644
index 0000000..9be2c24
--- /dev/null
+++ b/libseccomp/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;
+}