source: mod_gnutls/include/mod_gnutls.h.in @ 7bd1f6a

debian/masterdebian/stretch-backportsjessie-backportsmsvaupstream
Last change on this file since 7bd1f6a was 7bd1f6a, checked in by Paul Querna <chip@…>, 14 years ago

make this a generated file

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1/* ====================================================================
2 *  Copyright 2004 Paul Querna
3 *
4 *  Licensed under the Apache License, Version 2.0 (the "License");
5 *  you may not use this file except in compliance with the License.
6 *  You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *  Unless required by applicable law or agreed to in writing, software
11 *  distributed under the License is distributed on an "AS IS" BASIS,
12 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 *  See the License for the specific language governing permissions and
14 *  limitations under the License.
15 *
16 */
17
18#include "httpd.h"
19#include "http_config.h"
20#include "http_protocol.h"
21#include "http_connection.h"
22#include "http_request.h"
23#include "http_core.h"
24#include "http_log.h"
25#include "apr_buckets.h"
26#include "apr_strings.h"
27#include "apr_tables.h"
28
29#ifndef __mod_gnutls_h_inc
30#define __mod_gnutls_h_inc
31
32#if HAVE_APR_MEMCACHE
33#include "apr_memcache.h"
34#endif
35
36#include <gcrypt.h>
37#include <gnutls/gnutls.h>
38
39module AP_MODULE_DECLARE_DATA gnutls_module;
40
41#define GNUTLS_OUTPUT_FILTER_NAME "gnutls_output_filter"
42#define GNUTLS_INPUT_FILTER_NAME "gnutls_input_filter"
43
44#define GNUTLS_ENABLED_FALSE 0
45#define GNUTLS_ENABLED_TRUE  1
46
47
48/**
49 * GnuTLS changed the names of several structures between 1.0.X and 1.1.X
50 * This is just a simple hack so we can compile with both versions.
51 * There is a full list in <gnutls/compat.h>, But I am just
52 * doing this for a few types we use.
53 */
54#ifndef gnutls_certificate_credentials_t
55#define gnutls_certificate_credentials_t    gnutls_certificate_credentials
56#define gnutls_anon_server_credentials_t    gnutls_anon_server_credentials
57#define gnutls_session_t                    gnutls_session
58#define gnutls_transport_ptr_t              gnutls_transport_ptr
59#define gnutls_dh_params_t                  gnutls_dh_params
60#define gnutls_rsa_params_t                 gnutls_rsa_params
61#endif
62
63typedef struct
64{
65    gnutls_certificate_credentials_t certs;
66    gnutls_anon_server_credentials_t anoncred;
67    char *key_file;
68    char *cert_file;
69    int enabled;
70    int ciphers[16];
71    int key_exchange[16];
72    int macs[16];
73    int protocol[16];
74    int compression[16];
75    const char* cache_config;
76} mod_gnutls_srvconf_rec;
77
78typedef struct {
79    int length;
80    char *value;
81} mod_gnutls_char_buffer_t;
82
83typedef struct
84{
85    mod_gnutls_srvconf_rec *sc;
86    conn_rec* c;
87    gnutls_session_t session;
88
89    apr_status_t input_rc;
90    ap_filter_t *input_filter;
91    apr_bucket_brigade *input_bb;
92    apr_read_type_e input_block;
93    ap_input_mode_t input_mode;
94    mod_gnutls_char_buffer_t input_cbuf;
95    char input_buffer[AP_IOBUFSIZE];
96
97    apr_status_t output_rc;
98    ap_filter_t *output_filter;
99    apr_bucket_brigade *output_bb;
100    char output_buffer[AP_IOBUFSIZE];
101    apr_size_t output_blen;
102    apr_size_t output_length;
103
104    int status;
105    int non_https;
106} mod_gnutls_handle_t;
107
108/** Functions in gnutls_io.c **/
109
110/**
111 * mod_gnutls_filter_input will filter the input data
112 * by decrypting it using GnuTLS and passes it cleartext.
113 *
114 * @param f     the filter info record
115 * @param bb    the bucket brigade, where to store the result to
116 * @param mode  what shall we read?
117 * @param block a block index we shall read from?
118 * @return result status
119 */
120apr_status_t mod_gnutls_filter_input(ap_filter_t * f,
121                                     apr_bucket_brigade * bb,
122                                     ap_input_mode_t mode,
123                                     apr_read_type_e block,
124                                     apr_off_t readbytes);
125
126/**
127 * mod_gnutls_filter_output will filter the encrypt
128 * the incoming bucket using GnuTLS and passes it onto the next filter.
129 *
130 * @param f     the filter info record
131 * @param bb    the bucket brigade, where to store the result to
132 * @return result status
133 */
134apr_status_t mod_gnutls_filter_output(ap_filter_t * f,
135                                      apr_bucket_brigade * bb);
136
137
138/**
139 * mod_gnutls_transport_read is called from GnuTLS to provide encrypted
140 * data from the client.
141 *
142 * @param ptr     pointer to the filter context
143 * @param buffer  place to put data
144 * @param len     maximum size
145 * @return size   length of the data stored in buffer
146 */
147ssize_t mod_gnutls_transport_read(gnutls_transport_ptr_t ptr,
148                                  void *buffer, size_t len);
149
150/**
151 * mod_gnutls_transport_write is called from GnuTLS to
152 * write data to the client.
153 *
154 * @param ptr     pointer to the filter context
155 * @param buffer  buffer to write to the client
156 * @param len     size of the buffer
157 * @return size   length of the data written
158 */
159ssize_t mod_gnutls_transport_write(gnutls_transport_ptr_t ptr,
160                                   const void *buffer, size_t len);
161
162
163/**
164 * Init the Cache inside each Process
165 */
166int mod_gnutls_cache_child_init(apr_pool_t *p, server_rec *s,
167                                mod_gnutls_srvconf_rec *sc);
168/**
169 * Setup the Session Caching
170 */
171int mod_gnutls_cache_session_init(mod_gnutls_handle_t *ctxt);
172
173#endif /*  __mod_gnutls_h_inc */
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