mirror of https://github.com/n-hys/bash.git
85 lines
2.6 KiB
Plaintext
85 lines
2.6 KiB
Plaintext
# 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 3 of the License, or
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# (at your option) 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# normal operation
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foo()
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{
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echo exportfunc ok 1
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}
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export -f foo
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${THIS_SH} -c foo
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unset -f foo
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foo-a ()
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{
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echo exportfunc ok 2
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}
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export -f foo-a
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${THIS_SH} -c 'foo-a'
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# CVE-2014-6271
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env -i BASH_FUNC_foo%%='() { echo cve6271 ok; } ; echo BAD' ${THIS_SH} -c foo 2>/dev/null
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# CVE-2014-7169
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rm -f cve7169-bad
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env -i BASH_FUNC_X%%='() { (a)=>\' ${THIS_SH} -c cve7169-bad 2>/dev/null
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: < cve7169-bad
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rm -f cve7169-bad
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echo cve7169-bad2 > $TMPDIR/bar
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rm -f cve7169-bad2
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eval 'X() { (a)>\' ; . ./bar 2>/dev/null
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: < cve7169-bad2
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rm -f cve7169-bad2 $TMPDIR/bar
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# CVE-2014-7186
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${THIS_SH} ./exportfunc1.sub
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# CVE-2014-7187
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${THIS_SH} ./exportfunc2.sub
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# CVE-2014-6277
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env BASH_FUNC_foo%%="() { 000(){>0;}&000(){ 0;}<<0 0" ${THIS_SH} -c foo 2>/dev/null
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env BASH_FUNC_foo%%="() { 000(){>0;}&000(){ 0;}<<`perl -e '{print "A"x100000}'` 0" ${THIS_SH} -c foo 2>/dev/null
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${THIS_SH} -c "f(){ x(){ _;}; x(){ _;}<<a;}" 2>/dev/null
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# CVE-2014-6278
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env 'BASH_FUNC_FOO%%=() { 0;}>r[0${$(}0 {>"$(id >/dev/tty)"; }' ${THIS_SH} -c : 2>/dev/null
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rm -f HELLO_WORLD
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env BASH_FUNC_FOO%%='() { 0;}>r[0${$(}0 {>HELLO_WORLD; }' ${THIS_SH} -c : 2>/dev/null
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: < HELLO_WORLD
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env BASH_FUNC_x%%='() { _;}>_[$($())] { echo vuln;}' ${THIS_SH} -c : 2>/dev/null
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env -i BASH_FUNC_x%%='() { _; } >_[${ $() }] { id; }' ${THIS_SH} -c : 2>/dev/null
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env BASH_FUNC_x%%=$'() { _;}>_[$($())]\n{ echo vuln;}' ${THIS_SH} -c : 2>/dev/null
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eval 'x() { _;}>_[$($())] { echo vuln;}' 2>/dev/null
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eval 'foo() { _; } >_[${ $() }] ;{ echo eval ok; }'
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# other tests fixed in bash43-030 concerning function name transformation
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env $'BASH_FUNC_\nfoo%%=() { echo transform-1; }' ${THIS_SH} -c foo 2>/dev/null
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env $'BASH_FUNC_foo\n%%=() { echo transform-2; }' ${THIS_SH} -c foo 2>/dev/null
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env $'BASH_FUNC_ foo %%=() { echo transform-3; }' ${THIS_SH} -c foo 2>/dev/null
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unset -f foo
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env $'BASH_FUNC_#badname%%'=$'() { :; }\nfoo () { echo transform-4; } ' ${THIS_SH} -c 'foo' 2>/dev/null
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# tests of exported names
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${THIS_SH} ./exportfunc3.sub
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