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common: Don't incorrectly reject 4 GB - 1 sized packets.

Browse source 
* g10/parse-packet.c (parse): Don't reject 4 GB - 1 sized packets.
Add the constraint that the type must be 63.
* kbx/keybox-openpgp.c (next_packet): Likewise.
* tests/openpgp/4gb-packet.asc: New file.
* tests/openpgp/4gb-packet.test: New file.
* tests/openpgp/Makefile.am (TESTS): Add 4gb-packet.test.
(TEST_FILES): Add 4gb-packet.asc.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>.
This commit is contained in:
Neal H. Walfield 2015-08-21 11:55:15 +02:00
parent 4f37820334
commit 09f2a7bca6
5 changed files with 34 additions and 4 deletions
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BIN
tests/openpgp/4gb-packet.asc Normal file
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16
tests/openpgp/4gb-packet.test Executable file
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@ -0,0 +1,16 @@
#!/bin/sh
. $srcdir/defs.inc || exit 3
# GnuPG through 2.1.7 would incorrect mark packets whose size is
# 2^32-1 as invalid and exit with status code 2.
i=$srcdir/4gb-packet.asc
if ! $GPG --list-packets $i
then
echo Failed to parse 4GB packet.
exit 1
else
echo Can parse 4GB packets.
exit 0
fi

4
tests/openpgp/Makefile.am
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@ -38,7 +38,7 @@ TESTS = version.test mds.test \
armdetachm.test detachm.test genkey1024.test \
conventional.test conventional-mdc.test \
multisig.test verify.test armor.test \
import.test ecc.test finish.test
import.test ecc.test 4gb-packet.test finish.test
TEST_FILES = pubring.asc secring.asc plain-1o.asc plain-2o.asc plain-3o.asc \
@ -46,7 +46,7 @@ TEST_FILES = pubring.asc secring.asc plain-1o.asc plain-2o.asc plain-3o.asc \
pubring.pkr.asc secring.skr.asc secdemo.asc pubdemo.asc \
gpg.conf.tmpl gpg-agent.conf.tmpl \
bug537-test.data.asc bug894-test.asc \
bug1223-good.asc bug1223-bogus.asc
bug1223-good.asc bug1223-bogus.asc 4gb-packet.asc
data_files = data-500 data-9000 data-32000 data-80000 plain-large