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SSL: implement public key pinning

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Option --pinnedpubkey takes a path to a public key in DER format and
only connect if it matches (currently only implemented with OpenSSL).

Provides CURLOPT_PINNEDPUBLICKEY for curl_easy_setopt().

Extract a public RSA key from a website like so:
openssl s_client -connect google.com:443 2>&1 < /dev/null | \
sed -n '/-----BEGIN/,/-----END/p' | openssl x509 -noout -pubkey \
| openssl rsa -pubin -outform DER > google.com.der
This commit is contained in:
moparisthebest 2014-09-30 22:31:17 -04:00 • committed by Daniel Stenberg
parent d1b56d0043
commit 93e450793c
20 changed files with 311 additions and 2 deletions
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2
tests/data/Makefile.am
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@ -138,7 +138,7 @@ test2000 test2001 test2002 test2003 test2004 test2005 test2006 test2007 \
test2008 test2009 test2010 test2011 test2012 test2013 test2014 test2015 \
test2016 test2017 test2018 test2019 test2020 test2021 test2022 test2023 \
test2024 test2025 test2026 test2027 test2028 test2029 test2030 test2031 \
test2032 test2033
test2032 test2033 test2034 test2035
EXTRA_DIST = $(TESTCASES) DISABLED

57
tests/data/test2034 Normal file
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@ -0,0 +1,57 @@
<testcase>
<info>
<keywords>
HTTPS
HTTP GET
PEM certificate
</keywords>
</info>
#
# Server-side
<reply>
<data>
HTTP/1.1 200 OK
Date: Thu, 09 Nov 2010 14:49:00 GMT
Server: test-server/fake
Content-Length: 7
MooMoo
</data>
</reply>
#
# Client-side
<client>
<features>
SSL
</features>
<server>
https Server-localhost-sv.pem
</server>
<name>
simple HTTPS GET with public key pinning
</name>
<command>
--cacert %SRCDIR/certs/EdelCurlRoot-ca.crt --pinnedpubkey %SRCDIR/certs/Server-localhost-sv.pub.der https://localhost:%HTTPSPORT/2034
</command>
# Ensure that we're running on localhost because we're checking the host name
<precheck>
perl -e "print 'Test requires default test server host' if ( '%HOSTIP' ne '127.0.0.1' );"
</precheck>
</client>
#
# Verify data after the test has been "shot"
<verify>
<strip>
^User-Agent:.*
</strip>
<protocol>
GET /2034 HTTP/1.1
Host: localhost:%HTTPSPORT
Accept: */*
</protocol>
</verify>
</testcase>

43
tests/data/test2035 Normal file
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@ -0,0 +1,43 @@
<testcase>
<info>
<keywords>
HTTPS
HTTP GET
PEM certificate
</keywords>
</info>
#
# Server-side
<reply>
</reply>
#
# Client-side
<client>
<features>
SSL
</features>
<server>
https Server-localhost-sv.pem
</server>
<name>
HTTPS wrong pinnedpubkey but right CN
</name>
<command>
--cacert %SRCDIR/certs/EdelCurlRoot-ca.crt --pinnedpubkey %SRCDIR/certs/Server-localhost-sv.der https://localhost:%HTTPSPORT/2035
</command>
# Ensure that we're running on localhost because we're checking the host name
<precheck>
perl -e "print 'Test requires default test server host' if ( '%HOSTIP' ne '127.0.0.1' );"
</precheck>
</client>
#
# Verify data after the test has been "shot"
<verify>
<errorcode>
90
</errorcode>
</verify>
</testcase>