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| author | Ken Coar <coar@apache.org> | 1999-06-04 18:40:00 +0000 |
|---|---|---|
| committer | Ken Coar <coar@apache.org> | 1999-06-04 18:40:00 +0000 |
| commit | 1c109a844ae782a7a33c0ff623d1982bba2219f0 (patch) | |
| tree | 421557b3dbcab2ca7b64d90e2f9d385ed7b4bbe6 | |
| parent | b709b72933e84b053c759fd8dbc43490c1b57abb (diff) | |
| download | httpd-1c109a844ae782a7a33c0ff623d1982bba2219f0.tar.gz | |
A minor enhancement to SetEnvIf*: allow it to test envariables
as well as request attributes.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@83292 13f79535-47bb-0310-9956-ffa450edef68
| -rw-r--r-- | docs/manual/mod/mod_setenvif.html | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/docs/manual/mod/mod_setenvif.html b/docs/manual/mod/mod_setenvif.html index d3ed345b73..868a1106ae 100644 --- a/docs/manual/mod/mod_setenvif.html +++ b/docs/manual/mod/mod_setenvif.html @@ -261,7 +261,8 @@ HREF="directive-dict.html#Compatibility" REL="Help" ><STRONG>Compatibility:</STRONG></A> Apache 1.3 and above; the - Request_Protocol keyword is only available with 1.3.7 and later + Request_Protocol keyword and environment-variable matching are only + available with 1.3.7 and later </P> <P> The <SAMP>SetEnvIf</SAMP> directive defines environment variables @@ -299,15 +300,34 @@ <SAMP>Host</SAMP>, <SAMP>User-Agent</SAMP>, and <SAMP>Referer</SAMP>. </P> <P> + If the <EM>attribute</EM> name doesn't match any of the special keywords, + nor any of the request's header field names, it is tested as the name + of an environment variable in the list of those associated with the request. + This allows <CODE>SetEnvIf</CODE> directives to test against the result + of prior matches. + </P> + <BLOCKQUOTE> + <STRONG>Only those environment variables defined by earlier + <CODE>SetEnvIf[NoCase]</CODE> directives are available for testing in + this manner. 'Earlier' means that they were defined at a broader scope + (such as server-wide) or previously in the current directive's + scope.</STRONG> + </BLOCKQUOTE> + <P> Example: </P> <PRE> - SetEnvIf Request_URI "\.(gif)|(jpg)|(xbm)$" object_is_image + SetEnvIf Request_URI "\.gif$" object_is_image=gif + SetEnvIf Request_URI "\.jpg$" object_is_image=jpg + SetEnvIf Request_URI "\.xbm$" object_is_image=xbm + : SetEnvIf Referer www\.mydomain\.com intra_site_referral + : + SetEnvIf object_is_image xbm XBIT_PROCESSING=1 </PRE> <P> - The first will set the envariable <SAMP>object_is_image</SAMP> if the - request was for an image file, and the second sets + The first three will set the envariable <SAMP>object_is_image</SAMP> if the + request was for an image file, and the fourth sets <SAMP>intra_site_referral</SAMP> if the referring page was somewhere on the <SAMP>www.mydomain.com</SAMP> Web site. </P> |