/** * Seccomp Library test program * * Copyright (c) 2012 Red Hat * Author: Paul Moore */ /* * 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 . */ #include #include #include #include "util.h" int main(int argc, char *argv[]) { int rc; uint32_t val = (uint32_t)(-1); scmp_filter_ctx ctx = NULL; rc = seccomp_api_set(5); if (rc != 0) return EOPNOTSUPP; ctx = seccomp_init(SCMP_ACT_ALLOW); if (ctx == NULL) return ENOMEM; rc = seccomp_attr_get(ctx, SCMP_FLTATR_ACT_DEFAULT, &val); if (rc != 0) goto out; if (val != SCMP_ACT_ALLOW) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_DEFAULT, val); if (rc != -EACCES) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_ACT_BADARCH, SCMP_ACT_ALLOW); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_ACT_BADARCH, &val); if (rc != 0) goto out; if (val != SCMP_ACT_ALLOW) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_NNP, 0); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_NNP, &val); if (rc != 0) goto out; if (val != 0) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_TSYNC, 1); if (rc != 0 && rc != -EOPNOTSUPP) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_TSYNC, &val); if (rc != 0) goto out; if (val != 1) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_API_TSKIP, 1); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_API_TSKIP, &val); if (rc != 0) goto out; if (val != 1) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_LOG, 1); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_LOG, &val); if (rc != 0) goto out; if (val != 1) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_SSB, 1); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_SSB, &val); if (rc != 0) goto out; if (val != 1) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_OPTIMIZE, 2); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_OPTIMIZE, &val); if (rc != 0) goto out; if (val != 2) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_API_SYSRAWRC, 1); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_API_SYSRAWRC, &val); if (rc != 0) goto out; if (val != 1) { rc = -1; goto out; } rc = seccomp_attr_set(ctx, SCMP_FLTATR_CTL_WAITKILL, 1); if (rc != 0) goto out; rc = seccomp_attr_get(ctx, SCMP_FLTATR_CTL_WAITKILL, &val); if (rc != 0) goto out; if (val != 1) { rc = -1; goto out; } rc = 0; out: seccomp_release(ctx); return (rc < 0 ? -rc : rc); }