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Posted to issues@trafficserver.apache.org by "Leif Hedstrom (JIRA)" <ji...@apache.org> on 2016/10/20 23:21:58 UTC
[jira] [Updated] (TS-4993) backslash/escape removed from
header_rewrite rule when unquoted
[ https://issues.apache.org/jira/browse/TS-4993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom updated TS-4993:
------------------------------
Affects Version/s: 7.0.0
> backslash/escape removed from header_rewrite rule when unquoted
> ---------------------------------------------------------------
>
> Key: TS-4993
> URL: https://issues.apache.org/jira/browse/TS-4993
> Project: Traffic Server
> Issue Type: Bug
> Components: Plugins
> Affects Versions: 7.0.0
> Reporter: Randall Meyer
> Fix For: 7.1.0
>
>
> Loading up a configuration with a header_rewrite rule of:
> {noformat}
> cond %{READ_RESPONSE_HDR_HOOK} [AND]
> cond %{PATH} /(\.html|\.js|\.png)(?:\?(.*))*$/ [AND]
> cond %{STATUS} >199 [AND]
> cond %{STATUS} <300
> set-header Cache-Control "max-age=31536000, public
> {noformat}
> results in an call to abort() in matcher.h under ATS 7.0.0. This worked fine under ATS 6.x (and probably 5.3.x)
> {noformat}
> (gdb) where
> #0 0x00007ffff4f64625 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
> #1 0x00007ffff4f65e05 in *__GI_abort () at abort.c:92
> #2 0x00007fffe71dd3ff in Matchers<std::string>::setRegex (this=this@entry=0x7fffe5ac0f80) at matcher.h:98
> #3 0x00007fffe71d7baa in Matchers<std::string>::set (d=..., this=0x7fffe5ac0f80) at matcher.h:119
> #4 ConditionPath::initialize (this=0x7fffe59a6d00, p=...) at conditions.cc:260
> {noformat}
> The string comes to matcher with the escapes removed:
> {noformat}
> Adding condition: %{PATH} with arg: /(.html|.js|.png)(?:?(.*))*$/
> {noformat}
> If I add quotes around the regex, this regex is passed through correctly escaped.
> Not sure if this is expected behavior or not.
> This also seems related to TS-4797 and TS-4940.
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