Brian Geffon created TS-3956:
--------------------------------
Summary: Header_rewrite applies strange logic with = operator and
whitespace
Key: TS-3956
URL: https://issues.apache.org/jira/browse/TS-3956
Project: Traffic Server
Issue Type: Bug
Components: Plugins
Reporter: Brian Geffon
It appears that whitespace causes weird behavior with header_rewrite, for
example:
If you remove the white space before the = and the quotes it appears to behave
correctly. This whitespace issue is likely to cause strange bugs and needs to
be fixed.
{code}
cond %{READ_REQUEST_HDR_HOOK}
cond %{CLIENT-HEADER:Host} /^localhost$/ [AND]
cond %{CLIENT-HEADER:non_existent_header} = "shouldnt_exist_anyway" [AND]
add-header X-HeaderRewriteApplied true
{code}
With the following request:
{code}
curl -v localhost/
{code}
Header_rewrite will incorrectly apply the rule:
{code}
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Building
resources, hook=TS_HTTP_READ_REQUEST_HDR_HOOK
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Adding
TXN client request header buffers
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Getting
Header: Host, field_loc: 0x7fffd02070d0
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Appending
HEADER(Host) to evaluation value -> localhost
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Test
regular expression ^localhost$ : localhost
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite)
Successfully found regular expression match
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Evaluating
HEADER(): localhost - rval: 1
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Getting
Header: non_existent_header, field_loc: (nil)
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Evaluating
HEADER(): - rval: 1
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite)
OperatorAddHeader::exec() invoked on header X-HeaderRewriteApplied: true
[Oct 4 20:56:49.245] Server {0x7ffff61b5700} DIAG: (header_rewrite) Adding
header X-HeaderRewriteApplied
{code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
