Another module with error in make command and more patches to do…
[13:02:59 root@template-centos-6-2 mod_rpaf-0.6]# /usr/local/apache2/bin/apxs -i -c -n mod_rpaf-2.0.so mod_rpaf-2.0.c /usr/local/apache2/build/libtool --silent --mode=compile gcc -std=gnu99 -prefer-pic -D_REENTRANT -D_GNU_SOURCE -g -O2 -pthread -I/usr/local/apache2/include -I/usr/local/apache2/include -I/usr/local/apache2/include -c -o mod_rpaf-2.0.lo mod_rpaf-2.0.c && touch mod_rpaf-2.0.slo mod_rpaf-2.0.c: In function 'rpaf_cleanup': mod_rpaf-2.0.c:150: error: 'conn_rec' has no member named 'remote_ip' mod_rpaf-2.0.c:151: error: 'conn_rec' has no member named 'remote_addr' mod_rpaf-2.0.c:151: warning: implicit declaration of function 'inet_addr' mod_rpaf-2.0.c:151: error: 'conn_rec' has no member named 'remote_ip' mod_rpaf-2.0.c: In function 'change_remote_ip': mod_rpaf-2.0.c:164: error: 'conn_rec' has no member named 'remote_ip' mod_rpaf-2.0.c:183: error: 'conn_rec' has no member named 'remote_ip' mod_rpaf-2.0.c:186: error: 'conn_rec' has no member named 'remote_ip' mod_rpaf-2.0.c:187: error: 'conn_rec' has no member named 'remote_addr' mod_rpaf-2.0.c:187: error: 'conn_rec' has no member named 'remote_ip' apxs:Error: Command failed with rc=65536
Below, the full source of patched mod_rpaf-2.0.c that works on apache 2.4
/* ====================================================================
* Copyright (c) 1995 The Apache Group. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* 4. The names "Apache Server" and "Apache Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission.
*
* 5. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
* IT'S CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Group and was originally based
* on public domain software written at the National Center for
* Supercomputing Applications, University of Illinois, Urbana-Champaign.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
/*
* $Id: mod_rpaf-2.0.c 18 2008-01-01 03:05:40Z thomas $
*
* Author: Thomas Eibner, <thomas@stderr.net>
* URL: http://stderr.net/apache/rpaf/
* rpaf is short for reverse proxy add forward
*
* This module does the opposite of mod_proxy_add_forward written by
* Ask Bjørn Hansen. http://develooper.com/code/mpaf/ or mod_proxy
* in 1.3.25 and above and mod_proxy from Apache 2.0
*
*/
#include "httpd.h"
#include "http_config.h"
#include "http_core.h"
#include "http_log.h"
#include "http_protocol.h"
#include "http_vhost.h"
#include "apr_strings.h"
module AP_MODULE_DECLARE_DATA rpaf_module;
typedef struct {
int enable;
int sethostname;
const char *headername;
apr_array_header_t *proxy_ips;
} rpaf_server_cfg;
typedef struct {
const char *old_ip;
request_rec *r;
} rpaf_cleanup_rec;
static void *rpaf_create_server_cfg(apr_pool_t *p, server_rec *s) {
rpaf_server_cfg *cfg = (rpaf_server_cfg *)apr_pcalloc(p, sizeof(rpaf_server_cfg));
if (!cfg)
return NULL;
cfg->proxy_ips = apr_array_make(p, 0, sizeof(char *));
cfg->enable = 0;
cfg->sethostname = 0;
return (void *)cfg;
}
static const char *rpaf_set_proxy_ip(cmd_parms *cmd, void *dummy, const char *proxy_ip) {
server_rec *s = cmd->server;
rpaf_server_cfg *cfg = (rpaf_server_cfg *)ap_get_module_config(s->module_config,
&rpaf_module);
/* check for valid syntax of ip */
*(char **)apr_array_push(cfg->proxy_ips) = apr_pstrdup(cmd->pool, proxy_ip);
return NULL;
}
static const char *rpaf_set_headername(cmd_parms *cmd, void *dummy, const char *headername) {
server_rec *s = cmd->server;
rpaf_server_cfg *cfg = (rpaf_server_cfg *)ap_get_module_config(s->module_config,
&rpaf_module);
cfg->headername = headername;
return NULL;
}
static const char *rpaf_enable(cmd_parms *cmd, void *dummy, int flag) {
server_rec *s = cmd->server;
rpaf_server_cfg *cfg = (rpaf_server_cfg *)ap_get_module_config(s->module_config,
&rpaf_module);
cfg->enable = flag;
return NULL;
}
static const char *rpaf_sethostname(cmd_parms *cmd, void *dummy, int flag) {
server_rec *s = cmd->server;
rpaf_server_cfg *cfg = (rpaf_server_cfg *)ap_get_module_config(s->module_config,
&rpaf_module);
cfg->sethostname = flag;
return NULL;
}
static int is_in_array(const char *remote_ip, apr_array_header_t *proxy_ips) {
int i;
char **list = (char**)proxy_ips->elts;
for (i = 0; i < proxy_ips->nelts; i++) {
if (strcmp(remote_ip, list[i]) == 0)
return 1;
}
return 0;
}
static apr_status_t rpaf_cleanup(void *data) {
rpaf_cleanup_rec *rcr = (rpaf_cleanup_rec *)data;
rcr->r->connection->client_ip = apr_pstrdup(rcr->r->connection->pool, rcr->old_ip);
rcr->r->connection->client_addr->sa.sin.sin_addr.s_addr = apr_inet_addr(rcr->r->connection->client_ip);
return APR_SUCCESS;
}
static int change_remote_ip(request_rec *r) {
const char *fwdvalue;
char *val;
rpaf_server_cfg *cfg = (rpaf_server_cfg *)ap_get_module_config(r->server->module_config,
&rpaf_module);
if (!cfg->enable)
return DECLINED;
if (is_in_array(r->connection->client_ip, cfg->proxy_ips) == 1) {
/* check if cfg->headername is set and if it is use
that instead of X-Forwarded-For by default */
if (cfg->headername && (fwdvalue = apr_table_get(r->headers_in, cfg->headername))) {
//
} else if (fwdvalue = apr_table_get(r->headers_in, "X-Forwarded-For")) {
//
} else {
return DECLINED;
}
if (fwdvalue) {
rpaf_cleanup_rec *rcr = (rpaf_cleanup_rec *)apr_pcalloc(r->pool, sizeof(rpaf_cleanup_rec));
apr_array_header_t *arr = apr_array_make(r->pool, 0, sizeof(char*));
while (*fwdvalue && (val = ap_get_token(r->pool, &fwdvalue, 1))) {
*(char **)apr_array_push(arr) = apr_pstrdup(r->pool, val);
if (*fwdvalue != ' ')
++fwdvalue;
}
rcr->old_ip = apr_pstrdup(r->connection->pool, r->connection->client_ip);
rcr->r = r;
apr_pool_cleanup_register(r->pool, (void *)rcr, rpaf_cleanup, apr_pool_cleanup_null);
r->connection->client_ip = apr_pstrdup(r->connection->pool, ((char **)arr->elts)[((arr->nelts)-1)]);
r->connection->client_addr->sa.sin.sin_addr.s_addr = apr_inet_addr(r->connection->client_ip);
if (cfg->sethostname) {
const char *hostvalue;
if (hostvalue = apr_table_get(r->headers_in, "X-Forwarded-Host")) {
/* 2.0 proxy frontend or 1.3 => 1.3.25 proxy frontend */
apr_table_set(r->headers_in, "Host", apr_pstrdup(r->pool, hostvalue));
r->hostname = apr_pstrdup(r->pool, hostvalue);
ap_update_vhost_from_headers(r);
} else if (hostvalue = apr_table_get(r->headers_in, "X-Host")) {
/* 1.3 proxy frontend with mod_proxy_add_forward */
apr_table_set(r->headers_in, "Host", apr_pstrdup(r->pool, hostvalue));
r->hostname = apr_pstrdup(r->pool, hostvalue);
ap_update_vhost_from_headers(r);
}
}
}
}
return DECLINED;
}
static const command_rec rpaf_cmds[] = {
AP_INIT_FLAG(
"RPAFenable",
rpaf_enable,
NULL,
RSRC_CONF,
"Enable mod_rpaf"
),
AP_INIT_FLAG(
"RPAFsethostname",
rpaf_sethostname,
NULL,
RSRC_CONF,
"Let mod_rpaf set the hostname from X-Host header and update vhosts"
),
AP_INIT_ITERATE(
"RPAFproxy_ips",
rpaf_set_proxy_ip,
NULL,
RSRC_CONF,
"IP(s) of Proxy server setting X-Forwarded-For header"
),
AP_INIT_TAKE1(
"RPAFheader",
rpaf_set_headername,
NULL,
RSRC_CONF,
"Which header to look for when trying to find the real ip of the client in a proxy setup"
),
{ NULL }
};
static void register_hooks(apr_pool_t *p) {
ap_hook_post_read_request(change_remote_ip, NULL, NULL, APR_HOOK_FIRST);
}
module AP_MODULE_DECLARE_DATA rpaf_module = {
STANDARD20_MODULE_STUFF,
NULL,
NULL,
rpaf_create_server_cfg,
NULL,
rpaf_cmds,
register_hooks,
};
Hope it helps ^^
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