source: mod_gnutls/src/mod_gnutls.c @ 259e835

debian/masterdebian/stretch-backportsjessie-backportsupstream
Last change on this file since 259e835 was 259e835, checked in by Thomas Klute <thomas2.klute@…>, 5 years ago

Merge branch 'master' into new-gnutls-api

Branch 'master' at this point represents the upstream mod_gnutls
repository. Merging that first should make it easier to merge with my
changes later.

The result compiles, but OpenPGP authentication does not work.

Resolved conflicts in:

src/gnutls_config.c
src/gnutls_hooks.c

  • Property mode set to 100644
File size: 6.9 KB
RevLine 
[fcb122d]1/**
2 *  Copyright 2004-2005 Paul Querna
[e183628]3 *  Copyright 2008 Nikos Mavrogiannopoulos
4 *  Copyright 2011 Dash Shendy
[9706fc2]5 *
6 *  Licensed under the Apache License, Version 2.0 (the "License");
7 *  you may not use this file except in compliance with the License.
8 *  You may obtain a copy of the License at
9 *
10 *      http://www.apache.org/licenses/LICENSE-2.0
11 *
12 *  Unless required by applicable law or agreed to in writing, software
13 *  distributed under the License is distributed on an "AS IS" BASIS,
14 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 *  See the License for the specific language governing permissions and
16 *  limitations under the License.
17 *
18 */
19
[7e2b223]20#include "mod_gnutls.h"
[9706fc2]21
[fd82e59]22static void gnutls_hooks(apr_pool_t * p __attribute__((unused))) {
[671b64f]23
[33826c5]24    /* Try Run Post-Config Hook After mod_proxy */
25    static const char * const aszPre[] = { "mod_proxy.c", NULL };
[671b64f]26    ap_hook_post_config(mgs_hook_post_config, aszPre, NULL,APR_HOOK_REALLY_LAST);
[33826c5]27    /* HTTP Scheme Hook */
[482f47f]28#if USING_2_1_RECENT
[33826c5]29    ap_hook_http_scheme(mgs_hook_http_scheme, NULL, NULL, APR_HOOK_MIDDLE);
[482f47f]30#else
[33826c5]31    ap_hook_http_method(mgs_hook_http_scheme, NULL, NULL, APR_HOOK_MIDDLE);
[482f47f]32#endif
[33826c5]33    /* Default Port Hook */
[37f8282]34    ap_hook_default_port(mgs_hook_default_port,  NULL,NULL, APR_HOOK_MIDDLE);
[33826c5]35    /* Pre-Connect Hook */
[37f8282]36    ap_hook_pre_connection(mgs_hook_pre_connection, NULL, NULL, APR_HOOK_MIDDLE);
[33826c5]37    /* Pre-Config Hook */
[e183628]38    ap_hook_pre_config(mgs_hook_pre_config, NULL, NULL,
[671b64f]39            APR_HOOK_MIDDLE);
[33826c5]40    /* Child-Init Hook */
41    ap_hook_child_init(mgs_hook_child_init, NULL, NULL,
[e183628]42            APR_HOOK_MIDDLE);
[33826c5]43    /* Authentication Hook */
[e183628]44    ap_hook_access_checker(mgs_hook_authz, NULL, NULL,
45            APR_HOOK_REALLY_FIRST);
[33826c5]46    /* Fixups Hook */
[e183628]47    ap_hook_fixups(mgs_hook_fixups, NULL, NULL, APR_HOOK_REALLY_FIRST);
[e02dd8c]48
[e183628]49    /* TODO: HTTP Upgrade Filter */
[671b64f]50    /* ap_register_output_filter ("UPGRADE_FILTER",
[e183628]51     *          ssl_io_filter_Upgrade, NULL, AP_FTYPE_PROTOCOL + 5);
52     */
[e02dd8c]53
[33826c5]54    /* Input Filter */
[e183628]55    ap_register_input_filter(GNUTLS_INPUT_FILTER_NAME,
[33826c5]56            mgs_filter_input, NULL,AP_FTYPE_CONNECTION + 5);
57    /* Output Filter */
[e183628]58    ap_register_output_filter(GNUTLS_OUTPUT_FILTER_NAME,
[33826c5]59            mgs_filter_output, NULL,AP_FTYPE_CONNECTION + 5);
[671b64f]60
[33826c5]61    /* mod_proxy calls these functions */
62    APR_REGISTER_OPTIONAL_FN(ssl_proxy_enable);
63    APR_REGISTER_OPTIONAL_FN(ssl_engine_disable);
64}
65
66int ssl_is_https(conn_rec *c) {
[671b64f]67    mgs_srvconf_rec *sc = (mgs_srvconf_rec *)
[33826c5]68            ap_get_module_config(c->base_server->module_config, &gnutls_module);
[37f8282]69    if(sc->enabled == 0 || sc->non_ssl_request == 1) {
[33826c5]70        /* SSL/TLS Disabled or Plain HTTP Connection Detected */
71        return 0;
72    }
73    /* Connection is Using SSL/TLS */
74    return 1;
75}
76
77int ssl_engine_disable(conn_rec *c) {
[671b64f]78    mgs_srvconf_rec *sc = (mgs_srvconf_rec *)
[33826c5]79            ap_get_module_config(c->base_server->module_config, &gnutls_module);
80    if(sc->enabled == GNUTLS_ENABLED_FALSE) {
81        return 1;
[671b64f]82    }
[33826c5]83    ap_remove_input_filter(c->input_filters);
84    ap_remove_input_filter(c->output_filters);
85    mgs_cleanup_pre_config(c->pool);
86    sc->enabled = 0;
87    return 1;
88}
89
90int ssl_proxy_enable(conn_rec *c) {
[671b64f]91    mgs_srvconf_rec *sc = (mgs_srvconf_rec *)
[33826c5]92            ap_get_module_config(c->base_server->module_config, &gnutls_module);
[37f8282]93    sc->proxy_enabled = 1;
94    sc->enabled = 0;
95    return 1;
[9706fc2]96}
97
[46b85d8]98static const command_rec mgs_config_cmds[] = {
[33826c5]99    AP_INIT_TAKE1("SSLProxyEngine", mgs_set_proxy_engine,
100    NULL,
101    RSRC_CONF | OR_AUTHCFG,
[37f8282]102    "Enable SSL Proxy Engine"),
[031acac]103    AP_INIT_RAW_ARGS("GnuTLSPIN", mgs_set_pin,
104    NULL,
105    RSRC_CONF,
106    "The PIN to use in case of encrypted keys or PKCS #11 tokens."),
107    AP_INIT_RAW_ARGS("GnuTLSSRKPIN", mgs_set_srk_pin,
108    NULL,
109    RSRC_CONF,
110    "The SRK PIN to use in case of TPM keys."),
[e183628]111    AP_INIT_TAKE1("GnuTLSClientVerify", mgs_set_client_verify,
112    NULL,
113    RSRC_CONF | OR_AUTHCFG,
114    "Set Verification Requirements of the Client Certificate"),
[cf2b905]115    AP_INIT_TAKE1("GnuTLSClientVerifyMethod", mgs_set_client_verify_method,
116    NULL,
117    RSRC_CONF,
118    "Set Verification Method of the Client Certificate"),
[e183628]119    AP_INIT_TAKE1("GnuTLSClientCAFile", mgs_set_client_ca_file,
120    NULL,
121    RSRC_CONF,
122    "Set the CA File to verify Client Certificates"),
123    AP_INIT_TAKE1("GnuTLSX509CAFile", mgs_set_client_ca_file,
124    NULL,
125    RSRC_CONF,
126    "Set the CA File to verify Client Certificates"),
127    AP_INIT_TAKE1("GnuTLSPGPKeyringFile", mgs_set_keyring_file,
128    NULL,
129    RSRC_CONF,
130    "Set the Keyring File to verify Client Certificates"),
131    AP_INIT_TAKE1("GnuTLSDHFile", mgs_set_dh_file,
132    NULL,
133    RSRC_CONF,
134    "Set the file to read Diffie Hellman parameters from"),
135    AP_INIT_TAKE1("GnuTLSCertificateFile", mgs_set_cert_file,
136    NULL,
137    RSRC_CONF,
138    "SSL Server X509 Certificate file"),
139    AP_INIT_TAKE1("GnuTLSKeyFile", mgs_set_key_file,
140    NULL,
141    RSRC_CONF,
142    "SSL Server X509 Private Key file"),
143    AP_INIT_TAKE1("GnuTLSX509CertificateFile", mgs_set_cert_file,
144    NULL,
145    RSRC_CONF,
146    "SSL Server X509 Certificate file"),
147    AP_INIT_TAKE1("GnuTLSX509KeyFile", mgs_set_key_file,
148    NULL,
149    RSRC_CONF,
150    "SSL Server X509 Private Key file"),
151    AP_INIT_TAKE1("GnuTLSPGPCertificateFile", mgs_set_pgpcert_file,
152    NULL,
153    RSRC_CONF,
154    "SSL Server PGP Certificate file"),
155    AP_INIT_TAKE1("GnuTLSPGPKeyFile", mgs_set_pgpkey_file,
156    NULL,
157    RSRC_CONF,
158    "SSL Server PGP Private key file"),
[787dab7]159#ifdef ENABLE_SRP
[e183628]160    AP_INIT_TAKE1("GnuTLSSRPPasswdFile", mgs_set_srp_tpasswd_file,
161    NULL,
162    RSRC_CONF,
163    "SSL Server SRP Password Conf file"),
164    AP_INIT_TAKE1("GnuTLSSRPPasswdConfFile",
165    mgs_set_srp_tpasswd_conf_file,
166    NULL,
167    RSRC_CONF,
168    "SSL Server SRP Parameters file"),
[787dab7]169#endif
[e183628]170    AP_INIT_TAKE1("GnuTLSCacheTimeout", mgs_set_cache_timeout,
171    NULL,
172    RSRC_CONF,
173    "Cache Timeout"),
174    AP_INIT_TAKE12("GnuTLSCache", mgs_set_cache,
175    NULL,
176    RSRC_CONF,
177    "Cache Configuration"),
178    AP_INIT_TAKE1("GnuTLSSessionTickets", mgs_set_tickets,
179    NULL,
180    RSRC_CONF,
181    "Session Tickets Configuration"),
182    AP_INIT_RAW_ARGS("GnuTLSPriorities", mgs_set_priorities,
183    NULL,
184    RSRC_CONF,
185    "The priorities to enable (ciphers, Key exchange, macs, compression)."),
186    AP_INIT_TAKE1("GnuTLSEnable", mgs_set_enabled,
187    NULL,
188    RSRC_CONF,
189    "Whether this server has GnuTLS Enabled. Default: Off"),
[7d1ab49]190    AP_INIT_TAKE1("GnuTLSExportCertificates",
[2aaf4f5]191    mgs_set_export_certificates_size,
[7d1ab49]192    NULL,
193    RSRC_CONF,
[2aaf4f5]194    "Max size to export PEM encoded certificates to CGIs (or off to disable). Default: off"),
[7d1ab49]195    { NULL },
[46b85d8]196};
[9706fc2]197
198module AP_MODULE_DECLARE_DATA gnutls_module = {
[e183628]199    STANDARD20_MODULE_STUFF,
[2d0f6cf]200    .create_dir_config = mgs_config_dir_create,
201    .merge_dir_config = mgs_config_dir_merge,
202    .create_server_config = mgs_config_server_create,
[040387c]203    .merge_server_config = mgs_config_server_merge,
[2d0f6cf]204    .cmds = mgs_config_cmds,
205    .register_hooks = gnutls_hooks
[9706fc2]206};
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