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tests: add a test covering forced 32-bit comparisons
Signed-off-by: James Henstridge <james.henstridge@canonical.com>
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‎tests/60-sim-32b_args_on_64b.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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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, 1001, 1,
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SCMP_A0(SCMP_CMP_NE | SCMP_CMP_32BIT, 0x10));
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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, 1002, 1,
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SCMP_A0(SCMP_CMP_LT | SCMP_CMP_32BIT, 0x10));
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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, 1003, 1,
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SCMP_A0(SCMP_CMP_LE | SCMP_CMP_32BIT, 0x10));
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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, 1004, 1,
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SCMP_A0(SCMP_CMP_EQ | SCMP_CMP_32BIT, 0x10));
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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, 1005, 1,
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SCMP_A0(SCMP_CMP_GE | SCMP_CMP_32BIT, 0x10));
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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, 1006, 1,
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SCMP_A0(SCMP_CMP_GT | SCMP_CMP_32BIT, 0x10));
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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, 1007, 1,
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SCMP_A0(SCMP_CMP_MASKED_EQ | SCMP_CMP_32BIT, 0xff, 0x10));
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if (rc != 0)
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goto out;
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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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}

‎tests/60-sim-32b_args_on_64b.tests‎

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#
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# libseccomp regression test automation data
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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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#
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test type: bpf-sim
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# Testname Arch Syscall Arg0 Arg1 Arg2 Arg3 Arg4 Arg5 Result
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60-sim-32b_args_on_64b all 1001 0x1 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1001 0x10 N N N N N KILL
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60-sim-32b_args_on_64b all 1001 0xffffffff00000001 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1001 0xffffffff00000010 N N N N N KILL
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60-sim-32b_args_on_64b all 1002 0x1 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1002 0x20 N N N N N KILL
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60-sim-32b_args_on_64b all 1002 0xffffffff00000001 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1002 0xffffffff00000020 N N N N N KILL
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60-sim-32b_args_on_64b all 1003 0x10 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1003 0x20 N N N N N KILL
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60-sim-32b_args_on_64b all 1003 0xffffffff00000010 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1003 0xffffffff00000020 N N N N N KILL
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60-sim-32b_args_on_64b all 1004 0x10 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1004 0x20 N N N N N KILL
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60-sim-32b_args_on_64b all 1004 0xffffffff00000010 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1004 0xffffffff00000020 N N N N N KILL
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60-sim-32b_args_on_64b all 1005 0x10 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1005 0x01 N N N N N KILL
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60-sim-32b_args_on_64b all 1005 0xffffffff00000010 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1005 0xffffffff00000001 N N N N N KILL
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60-sim-32b_args_on_64b all 1006 0x20 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1006 0x01 N N N N N KILL
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60-sim-32b_args_on_64b all 1006 0xffffffff00000020 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1006 0xffffffff00000001 N N N N N KILL
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60-sim-32b_args_on_64b all 1007 0xff10 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1007 0x01 N N N N N KILL
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60-sim-32b_args_on_64b all 1007 0xffffffff0000ff10 N N N N N ALLOW
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60-sim-32b_args_on_64b all 1007 0xffffffff00000001 N N N N N KILL
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test type: bpf-sim-fuzz
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# Testname StressCount
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60-sim-32b_args_on_64b 5
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test type: bpf-valgrind
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# Testname
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60-sim-32b_args_on_64b

‎tests/Makefile.am‎

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56-basic-iterate_syscalls \
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57-basic-rawsysrc \
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58-live-tsync_notify \
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59-basic-empty_binary_tree
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59-basic-empty_binary_tree \
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60-sim-32b_args_on_64b
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EXTRA_DIST_TESTPYTHON = \
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util.py \

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