Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
S
slapos.libnetworkcache
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Ophélie Gagnard
slapos.libnetworkcache
Commits
0fe8148a
Commit
0fe8148a
authored
Mar 17, 2022
by
Julien Muchembled
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Require private key to have a matching certificate
parent
319b8b18
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
36 additions
and
4 deletions
+36
-4
slapos/crypto.py
slapos/crypto.py
+22
-3
slapos/libnetworkcache.py
slapos/libnetworkcache.py
+14
-1
No files found.
slapos/crypto.py
View file @
0fe8148a
...
...
@@ -9,7 +9,23 @@ class Error(Exception): pass
FILETYPE_PEM
=
1
class
X509
(
object
):
pass
def
dump_publickey
(
type
,
pkey
):
assert
type
==
FILETYPE_PEM
,
type
pkey
.
seek
(
0
,
0
)
r
=
pkey
.
read
()
if
not
r
.
startswith
(
'-----BEGIN PUBLIC KEY-----'
):
p
=
Popen
((
"openssl"
,
"rsa"
,
"-in"
,
pkey
.
name
,
"-pubout"
),
stdout
=
PIPE
,
stderr
=
PIPE
)
r
,
err
=
p
.
communicate
()
if
p
.
poll
():
raise
Error
(
err
)
return
r
def
load_privatekey
(
type
,
buffer
):
assert
type
==
FILETYPE_PEM
,
type
r
=
_tmpfile
()
r
.
write
(
buffer
.
encode
())
r
.
flush
()
...
...
@@ -17,13 +33,16 @@ def load_privatekey(type, buffer):
def
load_certificate
(
type
,
buffer
):
# extract public key since we only use it to verify signatures
assert
type
==
FILETYPE_PEM
,
type
r
=
_tmpfile
()
p
=
Popen
((
"openssl"
,
"x509"
,
"-pubkey"
,
"-noout"
),
stdin
=
PIPE
,
stdout
=
r
,
stderr
=
PIPE
)
err
=
p
.
communicate
(
buffer
.
encode
())[
1
]
if
p
.
poll
():
raise
Error
(
err
)
return
r
cert
=
X509
()
cert
.
get_pubkey
=
lambda
:
r
return
cert
def
sign
(
pkey
,
data
,
digest
):
p
=
Popen
((
"openssl"
,
digest
,
"-sign"
,
pkey
.
name
),
...
...
@@ -37,8 +56,8 @@ def verify(cert, signature, data, digest):
with
_tmpfile
()
as
f
:
f
.
write
(
signature
)
f
.
flush
()
p
=
Popen
((
"openssl"
,
digest
,
"-verify"
,
cert
.
name
,
"-signature"
,
f
.
name
)
,
stdin
=
PIPE
,
stdout
=
PIPE
,
stderr
=
STDOUT
)
p
=
Popen
((
"openssl"
,
digest
,
"-verify"
,
cert
.
get_pubkey
().
name
,
"-signature"
,
f
.
name
),
stdin
=
PIPE
,
stdout
=
PIPE
,
stderr
=
STDOUT
)
err
=
p
.
communicate
(
data
)[
0
]
if
p
.
poll
():
raise
Error
(
err
)
slapos/libnetworkcache.py
View file @
0fe8148a
...
...
@@ -199,10 +199,14 @@ class NetworkcacheClient(object):
config
=
dict
(
parser
.
items
(
'networkcache'
))
self
.
config
=
config
path
=
config
.
get
(
'signature-private-key-file'
)
pubkey
=
None
if
path
:
with
open
(
path
)
as
f
:
self
.
signature_private_key
=
crypto
.
load_privatekey
(
crypto
.
FILETYPE_PEM
,
f
.
read
())
if
config
.
get
(
'download-dir-url'
):
pubkey
=
crypto
.
dump_publickey
(
crypto
.
FILETYPE_PEM
,
self
.
signature_private_key
)
if
signature_certificate_list
is
None
:
signature_certificate_list
=
config
.
get
(
'signature-certificate-list'
)
if
type
(
signature_certificate_list
)
is
str
:
...
...
@@ -216,9 +220,18 @@ class NetworkcacheClient(object):
for
certificate
in
signature_certificate_list
or
():
try
:
loaded_certificate
=
crypto
.
load_certificate
(
crypto
.
FILETYPE_PEM
,
certificate
)
self
.
signature_certificate_list
.
append
(
loaded_certificate
)
except
Exception
as
e
:
logger
.
info
(
'Ignored wrong certificate, reason:
\
n
%s, offending certificate:
\
n
%s'
,
e
,
certificate
)
else
:
if
pubkey
and
pubkey
==
crypto
.
dump_publickey
(
crypto
.
FILETYPE_PEM
,
loaded_certificate
.
get_pubkey
()):
pubkey
=
None
self
.
signature_certificate_list
.
append
(
loaded_certificate
)
if
pubkey
:
raise
NetworkcacheException
(
'Invalid configuration: no matching certificate for private key'
' (continuing would cause duplicate uploads because it would never'
' manage to download these uploads)'
)
# NetworkcacheClient context manager catches all exceptions and logs them
# with INFO severity. This provides a easy way to use a networkcache safely
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment