| author | Edouard Tisserant |
| Tue, 30 Oct 2018 14:08:28 +0100 | |
| changeset 2328 | 7eb6cb70bf5b |
| parent 2325 | 71593d3f880b |
| child 2339 | 48b4eba13064 |
| permissions | -rw-r--r-- |
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2321
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
1 |
import os |
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2328
7eb6cb70bf5b
PSK : Stunnel and/or OpenSSL (undocumented) handles PSK better without special chars, apparently
Edouard Tisserant
parents:
2325
diff
changeset
|
2 |
from binascii import b2a_hqx |
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2323
33a0dbabccd3
Runtime : Ensure that a random PSK secret compatible with stunnel is generated if -s commandline switch is used. Stunnel service is restarted after generation, using spawn_subprocess. TODO : give stunnel restart command as a commandline parameter.
Edouard Tisserant
parents:
2321
diff
changeset
|
3 |
from runtime.spawn_subprocess import call |
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2321
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
4 |
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0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
5 |
restart_stunnel_cmdline = ["/etc/init.d/S50stunnel","restart"] |
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0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
6 |
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2324
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
7 |
_PSKpath = None |
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1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
8 |
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|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
9 |
def PSKgen(ID, PSKpath): |
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2323
33a0dbabccd3
Runtime : Ensure that a random PSK secret compatible with stunnel is generated if -s commandline switch is used. Stunnel service is restarted after generation, using spawn_subprocess. TODO : give stunnel restart command as a commandline parameter.
Edouard Tisserant
parents:
2321
diff
changeset
|
10 |
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|
2328
7eb6cb70bf5b
PSK : Stunnel and/or OpenSSL (undocumented) handles PSK better without special chars, apparently
Edouard Tisserant
parents:
2325
diff
changeset
|
11 |
# b2a_hqx output len is 4/3 input len |
|
7eb6cb70bf5b
PSK : Stunnel and/or OpenSSL (undocumented) handles PSK better without special chars, apparently
Edouard Tisserant
parents:
2325
diff
changeset
|
12 |
secret = os.urandom(192) # int(256/1.3333) |
|
7eb6cb70bf5b
PSK : Stunnel and/or OpenSSL (undocumented) handles PSK better without special chars, apparently
Edouard Tisserant
parents:
2325
diff
changeset
|
13 |
secretstring = b2a_hqx(secret) |
|
2323
33a0dbabccd3
Runtime : Ensure that a random PSK secret compatible with stunnel is generated if -s commandline switch is used. Stunnel service is restarted after generation, using spawn_subprocess. TODO : give stunnel restart command as a commandline parameter.
Edouard Tisserant
parents:
2321
diff
changeset
|
14 |
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|
2324
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
15 |
PSKstring = ID+":"+secretstring |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
16 |
with open(PSKpath, 'w') as f: |
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1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
17 |
f.write(PSKstring) |
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2321
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
18 |
call(restart_stunnel_cmdline) |
|
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
19 |
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2324
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
20 |
def ensurePSK(ID, PSKpath): |
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1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
21 |
global _PSKpath |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
22 |
_PSKpath = PSKpath |
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2321
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
23 |
# check if already there |
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2324
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
24 |
if not os.path.exists(PSKpath): |
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2321
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
25 |
# create if needed |
|
2324
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
26 |
PSKgen(ID, PSKpath) |
|
2321
0a3103cd825d
Small cosmetic change to enhance readability and avoid confusion.
Edouard Tisserant
parents:
diff
changeset
|
27 |
|
|
2324
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
28 |
def getPSKID(): |
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1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
29 |
if _PSKpath is not None : |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
30 |
if not os.path.exists(_PSKpath): |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
31 |
confnodesroot.logger.write_error( |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
32 |
'Error: Pre-Shared-Key Secret in %s is missing!\n' % _PSKpath) |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
33 |
return None |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
34 |
ID,_sep,PSK = open(_PSKpath).read().partition(':')
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|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
35 |
PSK = PSK.rstrip('\n\r')
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|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
36 |
return (ID,PSK) |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
37 |
return None |
|
1cf3768ebf85
Automatically get PSK and ID when connecting to PYRO[S], so that future connection through PYROS can use that same key. Also fixed case to UPPER for *PSK.
Edouard Tisserant
parents:
2323
diff
changeset
|
38 |