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Bug 1472715 - Python module rhsm should never call exit()
Summary: Python module rhsm should never call exit()
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: subscription-manager
Version: 7.4
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Jiri Hnidek
QA Contact: John Sefler
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-07-19 08:48 UTC by Jiri Hnidek
Modified: 2018-04-10 09:50 UTC (History)
3 users (show)

Fixed In Version: subscription-manager-1.20.2-1
Doc Type: No Doc Update
Doc Text:
undefined
Clone Of:
Environment:
Last Closed: 2018-04-10 09:49:52 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github candlepin subscription-manager pull 1668 0 None None None 2017-07-19 10:30:09 UTC
Red Hat Product Errata RHBA-2018:0681 0 None None None 2018-04-10 09:50:47 UTC

Description Jiri Hnidek 2017-07-19 08:48:19 UTC 
Description of problem:
Python module rhsm is used by other projects (e.g. virt-who) and it should not call exit(), but it should raise some exception, because application using rhsm module cannot resurrect from calling exit() by some external module.

Version-Release number of selected component (if applicable):
# subscription-manager version
server type: Red Hat Subscription Management
subscription management server: 2.0.37-1
subscription management rules: 5.24.1
subscription-manager: 1.19.12-1.el7
python-rhsm: 1.19.6-1.el7

How reproducible:
always


Steps to Reproduce:
1. Start Python interpreter:

$ python

2. Import rhsm submodule called 'certificate'

>>> import python_rhsm.certificate

3. Try to get certificate from some non-existent file:

>>> c = python_rhsm.certificate.create_from_file('/foo/non_existing_cert.pem')
No such file or directory

Actual results:
Python interpreter is terminated as well any other program trying to do similar thing.

Expected results:
Calling python_rhsm.certificate.create_from_file('/foo/non_existing_cert.pem') should raise some exception.

Additional info:
This can happen in production, when system is not registered and there is no file: /etc/pki/consumer/cert.pem. There are no other exit() call in rhsm module only one in: python-rhsm/src/rhsm/certificate2.py
Comment 4 Shwetha Kallesh 2017-11-20 10:05:33 UTC 
Reproducer:

[root@hp-ms-01-c15 ~]# subscription-manager  register --serverurl subscription.rhsm.stage.redhat.com
Registering to: subscription.rhsm.stage.redhat.com:443/subscription
Username: shwetha_tier1_test
Password: 
The system has been registered with ID: 12a574bf-3a83-4a23-8b28-785d2b0d1507 
[root@hp-ms-01-c15 ~]# su shwetha --command 'rct cat-cert /etc/pki/consumer/cert.pem'
Permission denied
[root@hp-ms-01-c15 ~]# subscription-manager  version
server type: Red Hat Subscription Management
subscription management server: 2.0.43-1
subscription management rules: 5.26
subscription-manager: 1.19.21-1.el7
python-rhsm: 1.19.9-1.el7
Comment 5 Shwetha Kallesh 2017-11-20 10:06:26 UTC 
Verification:

[root@dhcp35-10 ~]# su shwetha --command 'rct cat-cert /etc/pki/consumer/cert.pem'
Unable to read certificate file '/etc/pki/consumer/cert.pem': Error loading certificate: [Errno 13] Permission denied: '/etc/pki/consumer/cert.pem'


[root@dhcp35-10 ~]# subscription-manager version
server type: Red Hat Subscription Management
subscription management server: 2.0.43-1
subscription management rules: 5.26
subscription-manager: 1.20.5-1.el7
Comment 8 errata-xmlrpc 2018-04-10 09:49:52 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:0681
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