/*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <errno.h> #include <seccomp.h> #include <stddef.h> #include "macro.h" #include "seccomp-util.h" #include "string-util.h" const char* seccomp_arch_to_string(uint32_t c) { if (c == SCMP_ARCH_NATIVE) return "native"; if (c == SCMP_ARCH_X86) return "x86"; if (c == SCMP_ARCH_X86_64) return "x86-64"; if (c == SCMP_ARCH_X32) return "x32"; if (c == SCMP_ARCH_ARM) return "arm"; return NULL; } int seccomp_arch_from_string(const char *n, uint32_t *ret) { if (!n) return -EINVAL; assert(ret); if (streq(n, "native")) *ret = SCMP_ARCH_NATIVE; else if (streq(n, "x86")) *ret = SCMP_ARCH_X86; else if (streq(n, "x86-64")) *ret = SCMP_ARCH_X86_64; else if (streq(n, "x32")) *ret = SCMP_ARCH_X32; else if (streq(n, "arm")) *ret = SCMP_ARCH_ARM; else return -EINVAL; return 0; } int seccomp_add_secondary_archs(scmp_filter_ctx *c) { #if defined(__i386__) || defined(__x86_64__) int r; /* Add in all possible secondary archs we are aware of that * this kernel might support. */ r = seccomp_arch_add(c, SCMP_ARCH_X86); if (r < 0 && r != -EEXIST) return r; r = seccomp_arch_add(c, SCMP_ARCH_X86_64); if (r < 0 && r != -EEXIST) return r; r = seccomp_arch_add(c, SCMP_ARCH_X32); if (r < 0 && r != -EEXIST) return r; #endif return 0; }