/** * 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; struct util_options opts; scmp_filter_ctx ctx = NULL; rc = util_getopt(argc, argv, &opts); if (rc < 0) goto out; ctx = seccomp_init(SCMP_ACT_KILL); if (ctx == NULL) return ENOMEM; /* the syscall and argument numbers are all fake to make the test * simpler */ rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1000, 2, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1000, 1, SCMP_A1(SCMP_CMP_EQ, 1)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1001, 1, SCMP_A1(SCMP_CMP_EQ, 1)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1001, 2, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1002, 4, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2), SCMP_A3(SCMP_CMP_EQ, 3)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1002, 2, SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1003, 2, SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1003, 4, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2), SCMP_A3(SCMP_CMP_EQ, 3)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1004, 4, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2), SCMP_A3(SCMP_CMP_EQ, 3)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1004, 2, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 11)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1004, 4, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2), SCMP_A3(SCMP_CMP_EQ, 33)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1004, 2, SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1005, 2, SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1005, 4, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2), SCMP_A3(SCMP_CMP_EQ, 3)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1005, 2, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 11)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1005, 4, SCMP_A0(SCMP_CMP_EQ, 0), SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2), SCMP_A3(SCMP_CMP_EQ, 33)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1006, 2, SCMP_A1(SCMP_CMP_NE, 1), SCMP_A2(SCMP_CMP_EQ, 0)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1006, 2, SCMP_A1(SCMP_CMP_EQ, 1), SCMP_A2(SCMP_CMP_EQ, 2)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1006, 1, SCMP_A1(SCMP_CMP_NE, 1)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_TRAP, 1007, 2, SCMP_A2(SCMP_CMP_EQ, 1), SCMP_A3(SCMP_CMP_EQ, 3)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1007, 2, SCMP_A2(SCMP_CMP_EQ, 1), SCMP_A3(SCMP_CMP_NE, 3)); if (rc != 0) goto out; rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1007, 1, SCMP_A3(SCMP_CMP_NE, 3)); if (rc != 0) goto out; rc = util_filter_output(&opts, ctx); if (rc) goto out; out: seccomp_release(ctx); return (rc < 0 ? -rc : rc); }