Adding upstream version 2.5.5.upstream/2.5.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/src/arch-mips64.c b/src/arch-mips64.c
new file mode 100644
index 0000000..ca7027b
--- /dev/null
+++ b/src/arch-mips64.c
@@ -0,0 +1,100 @@
+/**
+ * Enhanced Seccomp MIPS64 Specific Code
+ *
+ * Copyright (c) 2014 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 <linux/audit.h>
+
+#include "arch.h"
+#include "arch-mips64.h"
+#include "syscalls.h"
+
+/* 64 ABI */
+#define __SCMP_NR_BASE			5000
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the architecture definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int mips64_syscall_resolve_name_munge(const struct arch_def *arch,
+				      const char *name)
+{
+	int sys;
+
+	/* NOTE: we don't want to modify the pseudo-syscall numbers */
+	sys = arch->syscall_resolve_name_raw(name);
+	if (sys == __NR_SCMP_ERROR || sys < 0)
+		return sys;
+
+	return sys + __SCMP_NR_BASE;
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the architecture definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *mips64_syscall_resolve_num_munge(const struct arch_def *arch,
+					     int num)
+{
+	/* NOTE: we don't want to modify the pseudo-syscall numbers */
+	if (num >= __SCMP_NR_BASE)
+		num -= __SCMP_NR_BASE;
+	return arch->syscall_resolve_num_raw(num);
+}
+
+ARCH_DEF(mips64)
+
+const struct arch_def arch_def_mips64 = {
+	.token = SCMP_ARCH_MIPS64,
+	.token_bpf = AUDIT_ARCH_MIPS64,
+	.size = ARCH_SIZE_64,
+	.endian = ARCH_ENDIAN_BIG,
+	.syscall_resolve_name = mips64_syscall_resolve_name_munge,
+	.syscall_resolve_name_raw = mips64_syscall_resolve_name,
+	.syscall_resolve_num = mips64_syscall_resolve_num_munge,
+	.syscall_resolve_num_raw = mips64_syscall_resolve_num,
+	.syscall_rewrite = NULL,
+	.rule_add = NULL,
+};
+
+const struct arch_def arch_def_mipsel64 = {
+	.token = SCMP_ARCH_MIPSEL64,
+	.token_bpf = AUDIT_ARCH_MIPSEL64,
+	.size = ARCH_SIZE_64,
+	.endian = ARCH_ENDIAN_LITTLE,
+	.syscall_resolve_name = mips64_syscall_resolve_name_munge,
+	.syscall_resolve_name_raw = mips64_syscall_resolve_name,
+	.syscall_resolve_num = mips64_syscall_resolve_num_munge,
+	.syscall_resolve_num_raw = mips64_syscall_resolve_num,
+	.syscall_rewrite = NULL,
+	.rule_add = NULL,
+};