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Viewing changes to modules/experimental/mod_case_filter.c

  • Committer: Bazaar Package Importer
  • Author(s): Andreas Barth
  • Date: 2006-12-09 21:05:45 UTC
  • mfrom: (0.6.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20061209210545-h70s0xaqc2v8vqr2
Tags: 2.2.3-3.2
http://bugs.debian.org/396265
* Non-maintainer upload.
* 043_ajp_connection_reuse: Patch from upstream Bugzilla, fixing a critical
  issue with regard to connection reuse in mod_proxy_ajp.
  Closes: #396265

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modules/experimental/mod_case_filter.c
 
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/* Licensed to the Apache Software Foundation (ASF) under one or more
 
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 * contributor license agreements.  See the NOTICE file distributed with
 
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 * this work for additional information regarding copyright ownership.
 
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 * The ASF licenses this file to You under the Apache License, Version 2.0
 
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 * (the "License"); you may not use this file except in compliance with
 
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 * the License.  You may obtain a copy of the License at
 
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 *
 
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 *     http://www.apache.org/licenses/LICENSE-2.0
 
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 *
 
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 * Unless required by applicable law or agreed to in writing, software
 
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 * distributed under the License is distributed on an "AS IS" BASIS,
 
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
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 * See the License for the specific language governing permissions and
 
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 * limitations under the License.
 
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 */
 
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#include "httpd.h"
 
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#include "http_config.h"
 
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#include "apr_buckets.h"
 
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#include "apr_general.h"
 
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#include "apr_lib.h"
 
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#include "util_filter.h"
 
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#include "http_request.h"
 
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#include <ctype.h>
 
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static const char s_szCaseFilterName[]="CaseFilter";
 
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module AP_MODULE_DECLARE_DATA case_filter_module;
 
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typedef struct
 
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    {
 
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    int bEnabled;
 
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    } CaseFilterConfig;
 
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static void *CaseFilterCreateServerConfig(apr_pool_t *p,server_rec *s)
 
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    {
 
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    CaseFilterConfig *pConfig=apr_pcalloc(p,sizeof *pConfig);
 
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    pConfig->bEnabled=0;
 
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    return pConfig;
 
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    }
 
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static void CaseFilterInsertFilter(request_rec *r)
 
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    {
 
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    CaseFilterConfig *pConfig=ap_get_module_config(r->server->module_config,
 
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                                                   &case_filter_module);
 
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    if(!pConfig->bEnabled)
 
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        return;
 
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    ap_add_output_filter(s_szCaseFilterName,NULL,r,r->connection);
 
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    }
 
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static apr_status_t CaseFilterOutFilter(ap_filter_t *f,
 
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                                        apr_bucket_brigade *pbbIn)
 
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    {
 
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    request_rec *r = f->r;
 
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    conn_rec *c = r->connection;
 
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    apr_bucket *pbktIn;
 
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    apr_bucket_brigade *pbbOut;
 
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    pbbOut=apr_brigade_create(r->pool, c->bucket_alloc);
 
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    for (pbktIn = APR_BRIGADE_FIRST(pbbIn);
 
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         pbktIn != APR_BRIGADE_SENTINEL(pbbIn);
 
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         pbktIn = APR_BUCKET_NEXT(pbktIn))
 
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    {
 
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        const char *data;
 
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        apr_size_t len;
 
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        char *buf;
 
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        apr_size_t n;
 
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        apr_bucket *pbktOut;
 
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        if(APR_BUCKET_IS_EOS(pbktIn))
 
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            {
 
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            apr_bucket *pbktEOS=apr_bucket_eos_create(c->bucket_alloc);
 
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            APR_BRIGADE_INSERT_TAIL(pbbOut,pbktEOS);
 
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            continue;
 
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            }
 
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        /* read */
 
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        apr_bucket_read(pbktIn,&data,&len,APR_BLOCK_READ);
 
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        /* write */
 
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        buf = apr_bucket_alloc(len, c->bucket_alloc);
 
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        for(n=0 ; n < len ; ++n)
 
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            buf[n] = apr_toupper(data[n]);
 
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        pbktOut = apr_bucket_heap_create(buf, len, apr_bucket_free,
 
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                                         c->bucket_alloc);
 
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        APR_BRIGADE_INSERT_TAIL(pbbOut,pbktOut);
 
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        }
 
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    /* XXX: is there any advantage to passing a brigade for each bucket? */
 
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    return ap_pass_brigade(f->next,pbbOut);
 
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    }
 
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static const char *CaseFilterEnable(cmd_parms *cmd, void *dummy, int arg)
 
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    {
 
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    CaseFilterConfig *pConfig=ap_get_module_config(cmd->server->module_config,
 
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                                                   &case_filter_module);
 
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    pConfig->bEnabled=arg;
 
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    return NULL;
 
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    }
 
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static const command_rec CaseFilterCmds[] =
 
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    {
 
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    AP_INIT_FLAG("CaseFilter", CaseFilterEnable, NULL, RSRC_CONF,
 
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                 "Run a case filter on this host"),
 
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    { NULL }
 
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    };
 
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static void CaseFilterRegisterHooks(apr_pool_t *p)
 
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    {
 
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    ap_hook_insert_filter(CaseFilterInsertFilter,NULL,NULL,APR_HOOK_MIDDLE);
 
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    ap_register_output_filter(s_szCaseFilterName,CaseFilterOutFilter,NULL,
 
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                              AP_FTYPE_RESOURCE);
 
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    }
 
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module AP_MODULE_DECLARE_DATA case_filter_module =
 
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{
 
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    STANDARD20_MODULE_STUFF,
 
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    NULL,
 
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    NULL,
 
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    CaseFilterCreateServerConfig,
 
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    NULL,
 
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    CaseFilterCmds,
 
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    CaseFilterRegisterHooks
 
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};