projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| 57183d11 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| 2 | ||
| 3 | /*** | |
| 4 | This file is part of systemd. | |
| 5 | ||
| 6 | Copyright 2014 Lennart Poettering | |
| 7 | ||
| 8 | systemd is free software; you can redistribute it and/or modify it | |
| 9 | under the terms of the GNU Lesser General Public License as published by | |
| 10 | the Free Software Foundation; either version 2.1 of the License, or | |
| 11 | (at your option) any later version. | |
| 12 | ||
| 13 | systemd is distributed in the hope that it will be useful, but | |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | Lesser General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU Lesser General Public License | |
| 19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
| 20 | ***/ | |
| 21 | ||
| 22 | #include <seccomp.h> | |
| 23 | ||
| 24 | #include "util.h" | |
| 25 | #include "seccomp-util.h" | |
| 26 | ||
| 27 | const char* seccomp_arch_to_string(uint32_t c) { | |
| 28 | ||
| 29 | if (c == SCMP_ARCH_NATIVE) | |
| 30 | return "native"; | |
| 31 | if (c == SCMP_ARCH_X86) | |
| 32 | return "x86"; | |
| 33 | if (c == SCMP_ARCH_X86_64) | |
| 34 | return "x86-64"; | |
| 35 | if (c == SCMP_ARCH_X32) | |
| 36 | return "x32"; | |
| 37 | if (c == SCMP_ARCH_ARM) | |
| 38 | return "arm"; | |
| 39 | ||
| 40 | return NULL; | |
| 41 | } | |
| 42 | ||
| 43 | int seccomp_arch_from_string(const char *n, uint32_t *ret) { | |
| 44 | if (!n) | |
| 45 | return -EINVAL; | |
| 46 | ||
| 47 | assert(ret); | |
| 48 | ||
| 49 | if (streq(n, "native")) | |
| 50 | *ret = SCMP_ARCH_NATIVE; | |
| 51 | else if (streq(n, "x86")) | |
| 52 | *ret = SCMP_ARCH_X86; | |
| 53 | else if (streq(n, "x86-64")) | |
| 54 | *ret = SCMP_ARCH_X86_64; | |
| 55 | else if (streq(n, "x32")) | |
| 56 | *ret = SCMP_ARCH_X32; | |
| 57 | else if (streq(n, "arm")) | |
| 58 | *ret = SCMP_ARCH_ARM; | |
| 59 | else | |
| 60 | return -EINVAL; | |
| 61 | ||
| 62 | return 0; | |
| 63 | } | |
| e9642be2 LP |
64 | |
| 65 | int seccomp_add_secondary_archs(scmp_filter_ctx *c) { | |
| 66 | ||
| 67 | #if defined(__i386__) || defined(__x86_64__) | |
| 68 | int r; | |
| 69 | ||
| 70 | /* Add in all possible secondary archs we are aware of that | |
| 71 | * this kernel might support. */ | |
| 72 | ||
| 73 | r = seccomp_arch_add(c, SCMP_ARCH_X86); | |
| 74 | if (r < 0 && r != -EEXIST) | |
| 75 | return r; | |
| 76 | ||
| 77 | r = seccomp_arch_add(c, SCMP_ARCH_X86_64); | |
| 78 | if (r < 0 && r != -EEXIST) | |
| 79 | return r; | |
| 80 | ||
| 81 | r = seccomp_arch_add(c, SCMP_ARCH_X32); | |
| 82 | if (r < 0 && r != -EEXIST) | |
| 83 | return r; | |
| 84 | ||
| 85 | #endif | |
| 86 | ||
| 87 | return 0; | |
| 88 | ||
| 89 | } |