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Date: Sun, 20 Nov 2016 15:37:58 +0000 (UTC)
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Subject: [jira] [Commented] (CLOUDSTACK-9498) VR CsFile search utility
 methods fail when search string has char *, + etc
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archived-at: Sun, 20 Nov 2016 15:38:00 -0000


    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9498?page=3Dcom.atla=
ssian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=
=3D15681337#comment-15681337 ]=20

ASF GitHub Bot commented on CLOUDSTACK-9498:
--------------------------------------------

Github user blueorangutan commented on the issue:

    https://github.com/apache/cloudstack/pull/1680
 =20
    Packaging result: =E2=9C=94centos6 =E2=9C=94centos7 =E2=9C=94debian. JI=
D-197


> VR CsFile search utility methods fail when search string has char *, + et=
c
> -------------------------------------------------------------------------=
-
>
>                 Key: CLOUDSTACK-9498
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-949=
8
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the defa=
ult.)=20
>    Affects Versions: 4.6.2, 4.7.1, 4.8.0, 4.8.1, 4.9.0
>            Reporter: Murali Reddy
>            Assignee: Murali Reddy
>             Fix For: 4.10.0.0, 4.9.1.0, 4.8.2.0
>
>
> VR CsFile search utility methods fail when search string has char *, + et=
c.
> These utility methods in CsFile [1] uses python regular expression module=
 to search a string in a file. However, if caller passes a search string, t=
hat has chars *, +, . etc that are also happen to be express wild card / ma=
tch expression in regular expression results in exceptions from python 're'=
 module.
> For instance searching for VPN user [2] passes "username * password *" as=
 search string, if password has chars the interfer with regular expression =
metacharecters then search will result in exception.
> 2016-09-12 13:55:48,976 configure.py add_l2tp_ipsec_user:569 Adding vpn u=
ser murali * abcd++efgh## *
> 2016-09-12 13:55:48,976 CsFile.py load:39 Reading file /etc/ppp/chap-secr=
ets
> 2016-09-12 13:55:48,976 CsFile.py searchString:140 Searching for murali *=
 abcd++efgh## * string
> 2016-09-12 13:55:48,976 configure.py main:1020 Exception while configurin=
g router
> Traceback (most recent call last):
> File "/opt/cloud/bin/configure.py", line 965, in main
> vpnuser.process()
> File "/opt/cloud/bin/configure.py", line 559, in process
> self.add_l2tp_ipsec_user(user, userconfig)
> File "/opt/cloud/bin/configure.py", line 572, in add_l2tp_ipsec_user
> userfound =3D file.searchString(userSearchEntry, '#')
> File "/opt/cloud/bin/cs/CsFile.py", line 146, in searchString
> if re.search(search, line):
> File "/usr/lib/python2.7/re.py", line 142, in search
> return _compile(pattern, flags).search(string)
> File "/usr/lib/python2.7/re.py", line 242, in _compile
> raise error, v # invalid expression
> 1 https://github.com/apache/cloudstack/blob/master/systemvm/patches/debia=
n/config/opt/cloud/bin/cs/CsFile.py
> 2 https://github.com/apache/cloudstack/blob/master/systemvm/patches/debia=
n/config/opt/cloud/bin/configure.py#L572


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