summaryrefslogtreecommitdiff
path: root/openvpn/src/openvpn/proxy.h
diff options
context:
space:
mode:
Diffstat (limited to 'openvpn/src/openvpn/proxy.h')
-rw-r--r--openvpn/src/openvpn/proxy.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/openvpn/src/openvpn/proxy.h b/openvpn/src/openvpn/proxy.h
new file mode 100644
index 00000000..d89aa4af
--- /dev/null
+++ b/openvpn/src/openvpn/proxy.h
@@ -0,0 +1,114 @@
+/*
+ * OpenVPN -- An application to securely tunnel IP networks
+ * over a single TCP/UDP port, with support for SSL/TLS-based
+ * session authentication and key exchange,
+ * packet encryption, packet authentication, and
+ * packet compression.
+ *
+ * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PROXY_H
+#define PROXY_H
+
+#include "buffer.h"
+#include "misc.h"
+
+#ifdef GENERAL_PROXY_SUPPORT
+
+/*
+ * Return value for get_proxy_settings to automatically
+ * determine proxy information.
+ */
+struct auto_proxy_info_entry {
+ char *server;
+ int port;
+};
+
+struct auto_proxy_info {
+ struct auto_proxy_info_entry http;
+ struct auto_proxy_info_entry socks;
+};
+
+struct auto_proxy_info *get_proxy_settings (char **err, struct gc_arena *gc);
+
+#ifdef WIN32
+void show_win_proxy_settings (const int msglevel);
+#endif /* WIN32 */
+
+#endif /* GENERAL_PROXY_SUPPORT */
+
+#ifdef ENABLE_HTTP_PROXY
+
+/* HTTP CONNECT authentication methods */
+#define HTTP_AUTH_NONE 0
+#define HTTP_AUTH_BASIC 1
+#define HTTP_AUTH_DIGEST 2
+#define HTTP_AUTH_NTLM 3
+#define HTTP_AUTH_NTLM2 4
+#define HTTP_AUTH_N 5 /* number of HTTP_AUTH methods */
+
+struct http_proxy_options {
+ const char *server;
+ int port;
+ bool retry;
+ int timeout;
+
+# define PAR_NO 0 /* don't support any auth retries */
+# define PAR_ALL 1 /* allow all proxy auth protocols */
+# define PAR_NCT 2 /* disable cleartext proxy auth protocols */
+ int auth_retry;
+
+ const char *auth_method_string;
+ const char *auth_file;
+ const char *http_version;
+ const char *user_agent;
+};
+
+struct http_proxy_options_simple {
+ const char *server;
+ int port;
+ int auth_retry;
+};
+
+struct http_proxy_info {
+ bool defined;
+ int auth_method;
+ struct http_proxy_options options;
+ struct user_pass up;
+ char *proxy_authenticate;
+ bool queried_creds;
+};
+
+struct http_proxy_info *http_proxy_new (const struct http_proxy_options *o,
+ struct auto_proxy_info *auto_proxy_info);
+
+void http_proxy_close (struct http_proxy_info *hp);
+
+bool establish_http_proxy_passthru (struct http_proxy_info *p,
+ socket_descriptor_t sd, /* already open to proxy */
+ const char *host, /* openvpn server remote */
+ const int port, /* openvpn server port */
+ struct buffer *lookahead,
+ volatile int *signal_received);
+
+uint8_t *make_base64_string2 (const uint8_t *str, int str_len, struct gc_arena *gc);
+uint8_t *make_base64_string (const uint8_t *str, struct gc_arena *gc);
+
+#endif /* ENABLE_HTTP_PROXY */
+
+#endif /* PROXY_H */