mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// Copyright 2019 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// The sandbox2::Syscalls class defines mostly static helper methods which
|
|
// are used to analyze the status of the sandboxed process.
|
|
|
|
#ifndef SANDBOXED_API_SANDBOX2_SYSCALL_H__
|
|
#define SANDBOXED_API_SANDBOX2_SYSCALL_H__
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <array>
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "sandboxed_api/config.h" // IWYU pragma: export
|
|
#include "sandboxed_api/sandbox2/syscall_defs.h"
|
|
|
|
namespace sandbox2 {
|
|
|
|
class Syscall {
|
|
public:
|
|
// Maximum number of syscall arguments
|
|
static constexpr size_t kMaxArgs = 6;
|
|
using Args = std::array<uint64_t, kMaxArgs>;
|
|
|
|
// Returns the host architecture, according to CpuArch.
|
|
static constexpr sapi::cpu::Architecture GetHostArch() {
|
|
return sapi::host_cpu::Architecture();
|
|
}
|
|
|
|
// Returns the host architecture, according to <linux/audit.h>.
|
|
static uint32_t GetHostAuditArch();
|
|
|
|
// Returns a description of the architecture.
|
|
static std::string GetArchDescription(sapi::cpu::Architecture arch);
|
|
|
|
Syscall() = default;
|
|
Syscall(sapi::cpu::Architecture arch, uint64_t nr, Args args = {})
|
|
: arch_(arch), nr_(nr), args_(args) {}
|
|
|
|
pid_t pid() const { return pid_; }
|
|
uint64_t nr() const { return nr_; }
|
|
sapi::cpu::Architecture arch() const { return arch_; }
|
|
const Args& args() const { return args_; }
|
|
uint64_t stack_pointer() const { return sp_; }
|
|
uint64_t instruction_pointer() const { return ip_; }
|
|
|
|
std::string GetName() const;
|
|
std::vector<syscalls::ArgData> GetArgumentsData() const;
|
|
std::vector<std::string> GetArgumentsDescription() const;
|
|
std::string GetDescription() const;
|
|
|
|
private:
|
|
friend class Regs;
|
|
friend class UnotifyMonitor;
|
|
|
|
explicit Syscall(pid_t pid) : pid_(pid) {}
|
|
Syscall(sapi::cpu::Architecture arch, uint64_t nr, Args args, pid_t pid,
|
|
uint64_t sp, uint64_t ip)
|
|
: arch_(arch), nr_(nr), args_(args), pid_(pid), sp_(sp), ip_(ip) {}
|
|
|
|
sapi::cpu::Architecture arch_ = sapi::cpu::kUnknown;
|
|
uint64_t nr_ = -1;
|
|
Args args_ = {};
|
|
pid_t pid_ = -1;
|
|
uint64_t sp_ = 0;
|
|
uint64_t ip_ = 0;
|
|
};
|
|
|
|
} // namespace sandbox2
|
|
|
|
#endif // SANDBOXED_API_SANDBOX2_SYSCALL_H__
|