2 * Global variables/defines.
4 * Copyright (C) 2011-2013 Simon Ruderich
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 #include <gnutls/gnutls.h>
35 /* Length for path arrays. */
36 #define TLSPROXY_MAX_PATH_LENGTH 1024
38 /* Paths to necessary TLS files: the CA, the server key and DH parameters. */
39 #define PROXY_CA_PATH "proxy-ca.pem"
40 #define PROXY_KEY_PATH "proxy-key.pem"
41 #define PROXY_DH_PATH "proxy-dh.pem"
42 /* Path to special "invalid" certificate send to the client when an error
44 #define PROXY_INVALID_CERT_PATH "proxy-invalid.pem"
45 /* The server certificate for the given hostname is stored in
46 * "./certificate-hostname-proxy.pem" - we use this for the connection to the
48 #define PROXY_SERVER_CERT_FILE_FORMAT "./certificate-%s-proxy.pem"
49 /* The remote server certificate for the given hostname is stored in
50 * "./certificate-hostname-proxy.pem" - we make sure the server sends this
52 #define STORED_SERVER_CERT_FILE_FORMAT "./certificate-%s-server.pem"
54 /* GnuTLS priority string used for both server and client connections. */
55 #define PROXY_TLS_PRIORITIES \
56 /* Don't use known insecure algorithms. */ \
58 /* Lower priority of SHA-1, user better hashes if possible. */ \
60 /* Force safe renegotiations. Shouldn't cause any problems as this \
61 * option only affects the server side (with GnuTLS defaults) and the \
62 * local clients most-likely already support safe renegotiations (old \
63 * servers are therefore not an issue). */ \
64 ":%SAFE_RENEGOTIATION"
67 /* Proxy hostname and port if specified on the command line. */
68 char *global_proxy_host;
69 char *global_proxy_port;
71 /* Passphrase for authentication of this proxy. Used with the -a option. */
72 char *global_http_digest_authorization;
74 /* Log level, command line option. */
77 /* Passthrough connections if no certificate is stored for this hostname?
78 * Specified on the command line. */
79 int global_passthrough_unknown;
81 /* "Global" GnuTLS data used by all threads, read only. */
82 gnutls_priority_t global_tls_priority_cache;
83 gnutls_dh_params_t global_tls_dh_params;
85 /* Very simple compile time asserts. No good error message though. */
86 #define ct_assert(x) { \
87 int unused[(x) ? 1 : -1]; \