mirror of
https://git.code.sf.net/p/linux-ima/ima-evm-utils
synced 2025-10-31 05:00:41 +01:00
ima-evm-utils: Add some tests for evmctl
Run `make check' to execute the tests. This commit only adds ima_hash test. Signed-off-by: Vitaly Chikunov <vt@altlinux.org> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Vitaly Chikunov
committed by
Mimi Zohar
Mimi Zohar
parent
dc00c92adf
commit
b6ff60e4fa
2
.gitignore
vendored
2
.gitignore
vendored
@@ -21,7 +21,7 @@ missing
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compile
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libtool
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ltmain.sh
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test-driver
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# Compiled executables
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*.o
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@@ -1,4 +1,4 @@
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SUBDIRS = src
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SUBDIRS = src tests
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dist_man_MANS = evmctl.1
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doc_DATA = examples/ima-genkey-self.sh examples/ima-genkey.sh examples/ima-gen-local-ca.sh
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@@ -72,6 +72,7 @@ EVMCTL_MANPAGE_DOCBOOK_XSL
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AC_CONFIG_FILES([Makefile
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src/Makefile
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tests/Makefile
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packaging/ima-evm-utils.spec
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])
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AC_OUTPUT
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16
tests/.gitignore
vendored
Normal file
16
tests/.gitignore
vendored
Normal file
@@ -0,0 +1,16 @@
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# Generated by test driver
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*.log
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*.trs
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# Generated by tests
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*.txt
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*.out
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*.sig
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*.sig2
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# Generated certs and keys (by gen-keys.sh)
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*.cer
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*.pub
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*.key
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*.conf
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7
tests/Makefile.am
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7
tests/Makefile.am
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@@ -0,0 +1,7 @@
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check_SCRIPTS =
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TESTS = $(check_SCRIPTS)
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check_SCRIPTS += ima_hash.test
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clean-local:
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-rm -f *.txt *.out *.sig *.sig2
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274
tests/functions.sh
Executable file
274
tests/functions.sh
Executable file
@@ -0,0 +1,274 @@
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# ima-evm-utils tests bash functions
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#
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# Copyright (C) 2020 Vitaly Chikunov <vt@altlinux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# Tests accounting
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declare -i testspass=0 testsfail=0 testsskip=0
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# Exit codes (compatible with automake)
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declare -r OK=0
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declare -r FAIL=1
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declare -r HARDFAIL=99 # hard failure no matter testing mode
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declare -r SKIP=77
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# You can set env VERBOSE=1 to see more output from evmctl
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VERBOSE=${VERBOSE:-0}
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V=vvvv
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V=${V:0:$VERBOSE}
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V=${V:+-$V}
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# Exit if env FAILEARLY is defined.
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# Used in expect_{pass,fail}.
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exit_early() {
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if [ "$FAILEARLY" ]; then
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exit "$1"
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fi
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}
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# Require particular executables to be present
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_require() {
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ret=
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for i; do
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if ! type $i; then
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echo "$i is required for test"
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ret=1
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fi
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done
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[ $ret ] && exit "$HARDFAIL"
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}
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# Non-TTY output is never colored
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if [ -t 1 ]; then
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RED=$'\e[1;31m'
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GREEN=$'\e[1;32m'
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YELLOW=$'\e[1;33m'
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BLUE=$'\e[1;34m'
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CYAN=$'\e[1;36m'
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NORM=$'\e[m'
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export RED GREEN YELLOW BLUE CYAN NORM
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fi
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# Test mode determined by TFAIL variable:
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# undefined: to success testing
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# defined: failure testing
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TFAIL=
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TMODE=+ # mode character to prepend running command in log
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declare -i TNESTED=0 # just for sanity checking
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# Run positive test (one that should pass) and account its result
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expect_pass() {
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local -i ret
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if [ $TNESTED -gt 0 ]; then
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echo $RED"expect_pass should not be run nested"$NORM
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testsfail+=1
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exit "$HARDFAIL"
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fi
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TFAIL=
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TMODE=+
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TNESTED+=1
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[ "$VERBOSE" -gt 1 ] && echo "____ START positive test: $*"
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"$@"
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ret=$?
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[ "$VERBOSE" -gt 1 ] && echo "^^^^ STOP ($ret) positive test: $*"
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TNESTED+=-1
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case $ret in
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0) testspass+=1 ;;
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77) testsskip+=1 ;;
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99) testsfail+=1; exit_early 1 ;;
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*) testsfail+=1; exit_early 2 ;;
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esac
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return $ret
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}
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# Eval negative test (one that should fail) and account its result
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expect_fail() {
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local ret
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if [ $TNESTED -gt 0 ]; then
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echo $RED"expect_fail should not be run nested"$NORM
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testsfail+=1
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exit "$HARDFAIL"
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fi
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TFAIL=yes
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TMODE=-
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TNESTED+=1
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[ "$VERBOSE" -gt 1 ] && echo "____ START negative test: $*"
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"$@"
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ret=$?
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[ "$VERBOSE" -gt 1 ] && echo "^^^^ STOP ($ret) negative test: $*"
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TNESTED+=-1
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case $ret in
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0) testsfail+=1; exit_early 3 ;;
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77) testsskip+=1 ;;
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99) testsfail+=1; exit_early 4 ;;
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*) testspass+=1 ;;
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esac
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# Restore defaults (as in positive tests)
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# for tests to run without wrappers
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TFAIL=
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TMODE=+
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return $ret
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}
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# return true if current test is positive
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_test_expected_to_pass() {
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[ ! $TFAIL ]
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}
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# return true if current test is negative
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_test_expected_to_fail() {
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[ $TFAIL ]
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}
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# Show blank line and color following text to red
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# if it's real error (ie we are in expect_pass mode).
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color_red_on_failure() {
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if _test_expected_to_pass; then
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echo "$RED"
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COLOR_RESTORE=true
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fi
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}
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# For hard errors
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color_red() {
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echo "$RED"
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COLOR_RESTORE=true
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}
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color_restore() {
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[ $COLOR_RESTORE ] && echo "$NORM"
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COLOR_RESTORE=
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}
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ADD_DEL=
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ADD_TEXT_FOR=
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# _evmctl_run should be run as `_evmctl_run ... || return'
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_evmctl_run() {
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local op=$1 out=$1-$$.out
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local text_for=${FOR:+for $ADD_TEXT_FOR}
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# Additional parameters:
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# ADD_DEL: additional files to rm on failure
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# ADD_TEXT_FOR: append to text as 'for $ADD_TEXT_FOR'
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cmd="evmctl $V $EVMCTL_ENGINE $*"
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echo $YELLOW$TMODE "$cmd"$NORM
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$cmd >"$out" 2>&1
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ret=$?
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# Shell special and signal exit codes (except 255)
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if [ $ret -ge 126 ] && [ $ret -lt 255 ]; then
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color_red
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echo "evmctl $op failed hard with ($ret) $text_for"
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sed 's/^/ /' "$out"
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color_restore
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rm "$out" $ADD_DEL
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ADD_DEL=
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ADD_TEXT_FOR=
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return "$HARDFAIL"
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elif [ $ret -gt 0 ]; then
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color_red_on_failure
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echo "evmctl $op failed" ${TFAIL:+properly} "with ($ret) $text_for"
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# Show evmctl output only in verbose mode or if real failure.
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if _test_expected_to_pass || [ "$VERBOSE" ]; then
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sed 's/^/ /' "$out"
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fi
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color_restore
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rm "$out" $ADD_DEL
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ADD_DEL=
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ADD_TEXT_FOR=
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return "$FAIL"
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elif _test_expected_to_fail; then
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color_red
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echo "evmctl $op wrongly succeeded $text_for"
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sed 's/^/ /' "$out"
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color_restore
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else
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[ "$VERBOSE" ] && sed 's/^/ /' "$out"
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fi
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rm "$out"
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ADD_DEL=
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ADD_TEXT_FOR=
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return "$OK"
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}
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# Extract xattr $attr from $file into $out file skipping $pref'ix
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_extract_xattr() {
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local file=$1 attr=$2 out=$3 pref=$4
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getfattr -n "$attr" -e hex "$file" \
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| grep "^$attr=" \
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| sed "s/^$attr=$pref//" \
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| xxd -r -p > "$out"
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}
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# Test if xattr $attr in $file matches $prefix
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# Show error and fail otherwise.
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_test_xattr() {
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local file=$1 attr=$2 prefix=$3
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local text_for=${ADD_TEXT_FOR:+ for $ADD_TEXT_FOR}
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if ! getfattr -n "$attr" -e hex "$file" | egrep -qx "$attr=$prefix"; then
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color_red_on_failure
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echo "Did not find expected hash$text_for:"
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echo " $attr=$prefix"
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echo ""
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echo "Actual output below:"
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getfattr -n "$attr" -e hex "$file" | sed 's/^/ /'
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color_restore
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rm "$file"
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ADD_TEXT_FOR=
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return "$FAIL"
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fi
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ADD_TEXT_FOR=
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}
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# Try to enable gost-engine if needed.
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_enable_gost_engine() {
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# Do not enable if it's already working (enabled by user)
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if ! openssl md_gost12_256 /dev/null >/dev/null 2>&1 \
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&& openssl engine gost >/dev/null 2>&1; then
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export EVMCTL_ENGINE="--engine gost"
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export OPENSSL_ENGINE="-engine gost"
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fi
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}
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# Show test stats and exit into automake test system
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# with proper exit code (same as ours).
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_report_exit() {
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if [ $testsfail -gt 0 ]; then
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echo "================================="
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echo " Run with FAILEARLY=1 $0 $*"
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echo " To stop after first failure"
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echo "================================="
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fi
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[ $testspass -gt 0 ] && echo -n "$GREEN" || echo -n "$NORM"
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echo -n "PASS: $testspass"
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[ $testsskip -gt 0 ] && echo -n "$YELLOW" || echo -n "$NORM"
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echo -n " SKIP: $testsskip"
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[ $testsfail -gt 0 ] && echo -n "$RED" || echo -n "$NORM"
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echo " FAIL: $testsfail"
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echo "$NORM"
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if [ $testsfail -gt 0 ]; then
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exit "$FAIL"
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elif [ $testspass -gt 0 ]; then
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exit "$OK"
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else
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exit "$SKIP"
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fi
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}
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80
tests/ima_hash.test
Executable file
80
tests/ima_hash.test
Executable file
@@ -0,0 +1,80 @@
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# evmctl ima_hash tests
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#
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# Copyright (C) 2020 Vitaly Chikunov <vt@altlinux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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cd "$(dirname "$0")" || exit 1
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PATH=../src:$PATH
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source ./functions.sh
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_require evmctl openssl getfattr
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trap _report_exit EXIT
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set -f # disable globbing
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check() {
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local alg=$1 prefix=$2 chash=$3 hash
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local file=$alg-hash.txt
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rm -f "$file"
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touch "$file"
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# Generate hash with openssl, if it failed skip test,
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# unless it's negative test, then pass to evmctl
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cmd="openssl dgst $OPENSSL_ENGINE -$alg $file"
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echo - "$cmd"
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hash=$(set -o pipefail; $cmd 2>/dev/null | cut -d' ' -f2)
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if [ $? -ne 0 ] && _test_expected_to_pass; then
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echo "${CYAN}$alg test is skipped$NORM"
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rm "$file"
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return "$SKIP"
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fi
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if [ "$chash" ] && [ "$chash" != "$hash" ]; then
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color_red
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echo "Invalid hash for $alg from openssl"
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echo "Expected: $chash"
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echo "Returned: $hash"
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color_restore
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rm "$file"
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return "$HARDFAIL"
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fi
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ADD_TEXT_FOR=$alg ADD_DEL=$file \
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_evmctl_run ima_hash --hashalgo "$alg" --xattr-user "$file" || return
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ADD_TEXT_FOR=$alg \
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_test_xattr "$file" user.ima "$prefix$hash" || return
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rm "$file"
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return "$OK"
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}
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# check args: algo hdr-prefix canonic-hash
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expect_pass check md4 0x01 31d6cfe0d16ae931b73c59d7e0c089c0
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expect_pass check md5 0x01 d41d8cd98f00b204e9800998ecf8427e
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expect_pass check sha1 0x01 da39a3ee5e6b4b0d3255bfef95601890afd80709
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expect_fail check SHA1 0x01 # uppercase
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expect_fail check sha512-224 0x01 # valid for pkcs1
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expect_fail check sha512-256 0x01 # valid for pkcs1
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expect_fail check unknown 0x01 # nonexistent
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expect_pass check sha224 0x0407 d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f
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expect_pass check sha256 0x0404 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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expect_pass check sha384 0x0405 38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b
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expect_pass check sha512 0x0406 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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expect_pass check rmd160 0x0403 9c1185a5c5e9fc54612808977ee8f548b2258d31
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expect_fail check sm3 0x01
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expect_fail check sm3-256 0x01
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_enable_gost_engine
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expect_pass check md_gost12_256 0x0412 3f539a213e97c802cc229d474c6aa32a825a360b2a933a949fd925208d9ce1bb
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expect_pass check streebog256 0x0412 3f539a213e97c802cc229d474c6aa32a825a360b2a933a949fd925208d9ce1bb
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expect_pass check md_gost12_512 0x0413 8e945da209aa869f0455928529bcae4679e9873ab707b55315f56ceb98bef0a7362f715528356ee83cda5f2aac4c6ad2ba3a715c1bcd81cb8e9f90bf4c1c1a8a
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expect_pass check streebog512 0x0413 8e945da209aa869f0455928529bcae4679e9873ab707b55315f56ceb98bef0a7362f715528356ee83cda5f2aac4c6ad2ba3a715c1bcd81cb8e9f90bf4c1c1a8a
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