https://bz.apache.org/bugzilla/show_bug.cgi?id=63866
Bug ID: 63866
Summary: Rewrite rule for root URL path (/) matches and proxies
request, but END flag is ignored and mod_dir issues
sub-requests for index files
Product: Apache httpd-2
Version: 2.4.41
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_rewrite
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Apache 2.4.41 on Ubuntu 16.04.5 LTS.
>From what I gather from the docs, the use of the END flag should prevent sub
requests but it does not - at least not when used in conjunction with the P
flag.
It seems that the issue only happens when requesting existing directories (/,
/existing_dir, /dir/existing_sub_dir), it does not happen for file requests.
As a workaround, the undesired behaviour can be fixed by disabling the
DirectoryIndex.
Here is the rewrite rule:
RewriteRule (.*) http://127.0.0.1:3000/test?q=$1 [P,END]
Here is the debug (trace5) log sample:
[Fri Oct 18 20:30:16.179651 2019] [rewrite:trace3] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] [perdir
/var/www/html/test1/website/public/] strip per-dir prefix:
/var/www/html/test1/website/public/ ->
[Fri Oct 18 20:30:16.179688 2019] [rewrite:trace3] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] [perdir
/var/www/html/test1/website/public/] applying pattern '(.*)' to uri ''
[Fri Oct 18 20:30:16.179694 2019] [rewrite:trace2] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] [perdir
/var/www/html/test1/website/public/] rewrite '' ->
'http://127.0.0.1:3000/test?q='
[Fri Oct 18 20:30:16.179699 2019] [rewrite:trace3] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] split
uri=http://127.0.0.1:3000/test?q= -> uri=http://127.0.0.1:3000/test, args=q=
[Fri Oct 18 20:30:16.179703 2019] [rewrite:trace2] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] [perdir
/var/www/html/test1/website/public/] escaped URI in per-dir context for proxy,
http://127.0.0.1:3000/test -> http://127.0.0.1:3000/test
[Fri Oct 18 20:30:16.179706 2019] [rewrite:trace2] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] [perdir
/var/www/html/test1/website/public/] forcing proxy-throughput with
http://127.0.0.1:3000/test
[Fri Oct 18 20:30:16.179710 2019] [rewrite:trace1] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80930a0/initial] [perdir
/var/www/html/test1/website/public/] go-ahead with proxy request
proxy:http://127.0.0.1:3000/test?q= [OK]
[Fri Oct 18 20:30:16.179756 2019] [rewrite:trace3] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] [perdir
/var/www/html/test1/website/public/] strip per-dir prefix:
/var/www/html/test1/website/public/index.html -> index.html
[Fri Oct 18 20:30:16.179760 2019] [rewrite:trace3] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] [perdir
/var/www/html/test1/website/public/] applying pattern '(.*)' to uri
'index.html'
[Fri Oct 18 20:30:16.179768 2019] [rewrite:trace2] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] [perdir
/var/www/html/test1/website/public/] rewrite 'index.html' ->
'http://127.0.0.1:3000/test?q=index.html'
[Fri Oct 18 20:30:16.179771 2019] [rewrite:trace3] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] split
uri=http://127.0.0.1:3000/test?q=index.html -> uri=http://127.0.0.1:3000/test,
args=q=index.html
[Fri Oct 18 20:30:16.179774 2019] [rewrite:trace2] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] [perdir
/var/www/html/test1/website/public/] escaped URI in per-dir context for proxy,
http://127.0.0.1:3000/test -> http://127.0.0.1:3000/test
[Fri Oct 18 20:30:16.179777 2019] [rewrite:trace2] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] [perdir
/var/www/html/test1/website/public/] forcing proxy-throughput with
http://127.0.0.1:3000/test
[Fri Oct 18 20:30:16.179787 2019] [rewrite:trace1] [pid 17308:tid
140453997967104] mod_rewrite.c(483): [client 10.20.0.40:62131] 10.20.0.40 - -
[test1.local/sid#7fbe14d530b8][rid#7fbdf80710a0/subreq] [perdir
/var/www/html/test1/website/public/] go-ahead with proxy request
proxy:http://127.0.0.1:3000/test?q=index.html [OK]
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