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view src/http/modules/perl/ngx_http_perl_module.h @ 8531:41f4bd4c51f1

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Disabled control characters and space in header names. Control characters (0x00-0x1f, 0x7f), space, and colon were never allowed in header names. The only somewhat valid use is header continuation which nginx never supported and which is explicitly obsolete by RFC 7230. Previously, such headers were considered invalid and were ignored by default (as per ignore_invalid_headers directive). With this change, such headers are unconditionally rejected. It is expected to make nginx more resilient to various attacks, in particular, with ignore_invalid_headers switched off (which is inherently unsecure, though nevertheless sometimes used in the wild).
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 28 Jun 2021 18:01:18 +0300
parents 975d7ab37b39
children
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_HTTP_PERL_MODULE_H_INCLUDED_
#define _NGX_HTTP_PERL_MODULE_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
#include <nginx.h>

#include <EXTERN.h>
#include <perl.h>


typedef ngx_http_request_t   *nginx;

typedef struct {
    ngx_http_request_t       *request;

    ngx_str_t                 filename;
    ngx_str_t                 redirect_uri;

    SV                       *next;

    ngx_int_t                 status;

    unsigned                  done:1;
    unsigned                  error:1;
    unsigned                  variable:1;
    unsigned                  header_sent:1;

    ngx_array_t              *variables;  /* array of ngx_http_perl_var_t */

#if (NGX_HTTP_SSI)
    ngx_http_ssi_ctx_t       *ssi;
#endif
} ngx_http_perl_ctx_t;


typedef struct {
    ngx_uint_t    hash;
    ngx_str_t     name;
    ngx_str_t     value;
} ngx_http_perl_var_t;


extern ngx_module_t  ngx_http_perl_module;


/*
 * workaround for "unused variable `Perl___notused'" warning
 * when building with perl 5.6.1
 */
#ifndef PERL_IMPLICIT_CONTEXT
#undef  dTHXa
#define dTHXa(a)
#endif


extern void boot_DynaLoader(pTHX_ CV* cv);


void ngx_http_perl_handle_request(ngx_http_request_t *r);
void ngx_http_perl_sleep_handler(ngx_http_request_t *r);


#endif /* _NGX_HTTP_PERL_MODULE_H_INCLUDED_ */