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/*
* include/haproxy/fcgi-app-t.h
* This file defines everything related to FCGI applications.
*
* Copyright (C) 2019 HAProxy Technologies, Christopher Faulet <cfaulet@haproxy.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _HAPROXY_HTTP_FCGI_T_H
#define _HAPROXY_HTTP_FCGI_T_H
#include <import/ebtree-t.h>
#include <import/ist.h>
#include <haproxy/acl-t.h>
#include <haproxy/api-t.h>
#include <haproxy/arg-t.h>
#include <haproxy/fcgi.h>
#include <haproxy/filters-t.h>
#include <haproxy/regex-t.h>
#define FCGI_APP_FL_KEEP_CONN 0x00000001 /* Keep the connection alive */
#define FCGI_APP_FL_GET_VALUES 0x00000002 /* Retrieve FCGI variables on connection establishment */
#define FCGI_APP_FL_MPXS_CONNS 0x00000004 /* FCGI APP supports connection multiplexing */
enum fcgi_rule_type {
FCGI_RULE_SET_PARAM = 0,
FCGI_RULE_UNSET_PARAM,
FCGI_RULE_PASS_HDR,
FCGI_RULE_HIDE_HDR,
};
/* Used during configuration parsing only and converted into fcgi_rule when
* filter is created.
*/
struct fcgi_rule_conf {
enum fcgi_rule_type type;
char *name;
char *value;
struct acl_cond *cond; /* acl condition to set/unset the param */
struct list list;
};
/* parameter rule evaluated during request analyzis */
struct fcgi_rule {
enum fcgi_rule_type type;
struct ist name; /* name of the parameter/header */
struct list value; /* log-format compatible expression, may be empty */
struct acl_cond *cond; /* acl condition to set the param */
struct list list;
};
/* parameter rule to set/unset a param at the end of the analyzis */
struct fcgi_param_rule {
struct ist name;
struct list *value; /* if empty , unset the parameter */
struct ebpt_node node;
};
/* header rule to pass/hide a header at the end of the analyzis */
struct fcgi_hdr_rule {
struct ist name;
int pass; /* 1 to pass the header, 0 Otherwise */
struct ebpt_node node;
};
struct fcgi_app {
char *name; /* name to identify this set of params */
struct ist docroot; /* FCGI docroot */
struct ist index; /* filename to append to URI ending by a '/' */
struct my_regex *pathinfo_re; /* Regex to use to split scriptname and path-info */
unsigned int flags; /* FCGI_APP_FL_* */
struct list loggers; /* one per 'log' directive */
unsigned int maxreqs; /* maximum number of concurrent requests */
struct list acls; /* list of acls declared for this application */
struct {
char *file; /* file where the section appears */
int line; /* line where the section appears */
struct list rules; /* list of rules used during config parsing */
struct arg_list args; /* sample arg list that need to be resolved */
} conf; /* config information */
struct fcgi_app *next; /* used to chain fcgi-app */
};
/* FCGI config attached to backend proxies */
struct fcgi_flt_conf {
char *name; /* fcgi-app name used during config parsing */
struct fcgi_app *app; /* configuration of the fcgi application */
struct list param_rules; /* list of set/unset rules */
struct list hdr_rules; /* list of pass/add rules */
};
/* FCGI context attached to streames */
struct fcgi_flt_ctx {
struct filter *filter;
struct fcgi_app *app;
};
#endif /* _HAPROXY_HTTP_FCGI_T_H */
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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