Blame tests/48-sim-32b_args.c

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/**
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 * Seccomp Library test program
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 *
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 * Copyright (c) 2019 Cisco Systems, Inc. <pmoore2@cisco.com>
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 * Author: Paul Moore <paul@paul-moore.com>
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 * Additions: Michael Weiser <michael.weiser@gmx.de>
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 */
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/*
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 * This library is free software; you can redistribute it and/or modify it
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 * under the terms of version 2.1 of the GNU Lesser General Public License as
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 * published by the Free Software Foundation.
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 *
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 * This library is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
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 * for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this library; if not, see <http://www.gnu.org/licenses>.
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 */
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#include <errno.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <seccomp.h>
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#include "util.h"
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int main(int argc, char *argv[])
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{
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	int rc;
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	struct util_options opts;
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	scmp_filter_ctx ctx = NULL;
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	struct args {
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		uint32_t action;
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		int syscall;
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		struct scmp_arg_cmp cmp;
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	} *a, f[] = {
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		{SCMP_ACT_ALLOW, 2000, SCMP_A0(SCMP_CMP_EQ, -1)},
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		{SCMP_ACT_ALLOW, 2064, SCMP_A0_64(SCMP_CMP_EQ, -1)},
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		{SCMP_ACT_ALLOW, 2032, SCMP_A0_32(SCMP_CMP_EQ, -1)},
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		{0},
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	};
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	rc = util_getopt(argc, argv, &opts);
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	if (rc < 0)
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		goto out;
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	ctx = seccomp_init(SCMP_ACT_KILL);
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	if (ctx == NULL)
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		return ENOMEM;
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	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1000, 1,
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				    SCMP_A0(SCMP_CMP_EQ, -1));
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	if (rc != 0)
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		goto out;
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	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1064, 1,
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				    SCMP_A0_64(SCMP_CMP_EQ, -1));
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	if (rc != 0)
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		goto out;
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	rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, 1032, 1,
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				    SCMP_A0_32(SCMP_CMP_EQ, -1));
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	if (rc != 0)
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		goto out;
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	for (a = f; a->syscall != 0; a++) {
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		rc = seccomp_rule_add_exact(ctx, a->action, a->syscall, 1,
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					    a->cmp);
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		if (rc != 0)
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			goto out;
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	}
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	rc = util_filter_output(&opts, ctx);
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	if (rc)
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		goto out;
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out:
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	seccomp_release(ctx);
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	return (rc < 0 ? -rc : rc);
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}