| OLD | NEW |
| 1 /* | 1 /* |
| 2 * seccomp example for x86 (32-bit and 64-bit) with BPF macros | 2 * seccomp example for x86 (32-bit and 64-bit) with BPF macros |
| 3 * | 3 * |
| 4 * Copyright (c) 2012 The Chromium OS Authors <chromium-os-dev@chromium.org> | 4 * Copyright (c) 2012 The Chromium OS Authors <chromium-os-dev@chromium.org> |
| 5 * Authors: | 5 * Authors: |
| 6 * Will Drewry <wad@chromium.org> | 6 * Will Drewry <wad@chromium.org> |
| 7 * Kees Cook <keescook@chromium.org> | 7 * Kees Cook <keescook@chromium.org> |
| 8 * | 8 * |
| 9 * Use of this source code is governed by a BSD-style license that can be | 9 * Use of this source code is governed by a BSD-style license that can be |
| 10 * found in the LICENSE file. | 10 * found in the LICENSE file. |
| 11 * | 11 * |
| 12 * A stripped down version of the file found in this tutorial: http://outflux.ne
t/teach-seccomp/. | 12 * A stripped down version of the file found in this tutorial: http://outflux.ne
t/teach-seccomp/. |
| 13 */ | 13 */ |
| 14 #ifndef _SECCOMP_BPF_H_ | 14 #ifndef _SECCOMP_BPF_H_ |
| 15 #define _SECCOMP_BPF_H_ | 15 #define _SECCOMP_BPF_H_ |
| 16 | 16 |
| 17 #ifndef SK_UNSAFE_BUILD_DESKTOP_ONLY |
| 18 |
| 17 #define _GNU_SOURCE 1 | 19 #define _GNU_SOURCE 1 |
| 18 #include <stdio.h> | 20 #include <stdio.h> |
| 19 #include <stddef.h> | 21 #include <stddef.h> |
| 20 #include <stdlib.h> | 22 #include <stdlib.h> |
| 21 #include <errno.h> | 23 #include <errno.h> |
| 22 #include <signal.h> | 24 #include <signal.h> |
| 23 #include <string.h> | 25 #include <string.h> |
| 24 #include <unistd.h> | 26 #include <unistd.h> |
| 25 | 27 |
| 26 #include <sys/prctl.h> | 28 #include <sys/prctl.h> |
| (...skipping 28 matching lines...) Expand all Loading... |
| 55 #define EXAMINE_SYSCALL \ | 57 #define EXAMINE_SYSCALL \ |
| 56 BPF_STMT(BPF_LD+BPF_W+BPF_ABS, syscall_nr) | 58 BPF_STMT(BPF_LD+BPF_W+BPF_ABS, syscall_nr) |
| 57 | 59 |
| 58 #define ALLOW_SYSCALL(name) \ | 60 #define ALLOW_SYSCALL(name) \ |
| 59 BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_##name, 0, 1), \ | 61 BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_##name, 0, 1), \ |
| 60 BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW) | 62 BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW) |
| 61 | 63 |
| 62 #define KILL_PROCESS \ | 64 #define KILL_PROCESS \ |
| 63 BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_KILL) | 65 BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_KILL) |
| 64 | 66 |
| 67 #endif /* SK_UNSAFE_BUILD_DESKTOP_ONLY */ |
| 68 |
| 65 #endif /* _SECCOMP_BPF_H_ */ | 69 #endif /* _SECCOMP_BPF_H_ */ |
| OLD | NEW |