curl/tests/data/test237
Daniel Stenberg 769647e714
ftp: reject illegal IP/port in PASV 227 response
... by using range checks. Among other things, this avoids an undefined
behavior for a left shift that could happen on negative or very large
values.

Closes #1997

Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3694
2017-10-20 15:06:25 +02:00

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<testcase>
<info>
<keywords>
FTP
</keywords>
</info>
# Server-side
<reply>
<servercmd>
REPLY PASV 227 Entering Passiv Mode (1216,256,2,127,127,127)
</servercmd>
</reply>
# Client-side
<client>
<server>
ftp
</server>
<name>
FTP getting bad host in 227-response to PASV
</name>
<command>
ftp://%HOSTIP:%FTPPORT/237 --disable-epsv
</command>
</client>
# Verify data after the test has been "shot"
# The bogus address used here is chosen specifically so that when processed on
# certain hosts with buggy resolver code, the resulting address (192.0.2.127)
# is from an address block that is guaranteed never to be assigned (RFC3330).
<verify>
# 14 = CURLE_FTP_WEIRD_227_FORMAT
<errorcode>
14
</errorcode>
<protocol>
USER anonymous
PASS ftp@example.com
PWD
PASV
</protocol>
</verify>
</testcase>