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Diffstat (limited to 'src/pconfig.h')
| -rw-r--r-- | src/pconfig.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/pconfig.h b/src/pconfig.h deleted file mode 100644 index 140cad5..0000000 --- a/src/pconfig.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * pconfig.h - * ptunnel is licensed under the BSD license: - * - * Copyright (c) 2004-2011, Daniel Stoedle <daniels@cs.uit.no>, - * Yellow Lemon Software. All rights reserved. - * - * Copyright (c) 2017-2019, Toni Uhlig <matzeton@googlemail.com> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * - Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * - Neither the name of the Yellow Lemon Software nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * Contacting the author: - * You can get in touch with me, Daniel Stødle (that's the Norwegian letter oe, - * in case your text editor didn't realize), here: <daniels@cs.uit.no> - * - * The official ptunnel website is here: - * <http://www.cs.uit.no/~daniels/PingTunnel/> - * - * Note that the source code is best viewed with tabs set to 4 spaces. - */ - -#ifndef PCONFIG_H -#define PCONFIG_H 1 - -enum { - /** Set this constant to the number of - * concurrent connections you wish to handle by default. - */ - kMax_tunnels = 10, - /** numbers */ - kIP_packet_max_size = 576, - /** In bytes, mind you */ - kIP_header_size = 20, - kIP_actual_size = (kIP_packet_max_size - kIP_header_size) - ((kIP_packet_max_size - kIP_header_size) % 8), - /** Also in bytes */ - kICMP_header_size = 8, - /** This constant control the maximum size of - * the payload-portion of the ICMP packets - * we send. Note that this does not include - * the IP or ICMP headers! - */ - kDefault_buf_size = 1024, - /** Type code for echo request and replies */ - kICMP_echo_request = 8, - kICMP_echo_reply = 0, - /** number of packets we can have in our send/receive ring */ - kPing_window_size = 64, - /** Tunnels are automatically closed after one minute of inactivity. Since - * we continously send acknowledgements between the two peers, this mechanism - * won't disconnect "valid" connections. - */ - kAutomatic_close_timeout = 60, // Seconds! - /** size of md5 digest in bytes */ - kMD5_digest_size = 16, - /** size of sha512 digest in bytes */ - kSHA512_digest_size = 64, - kDNS_port = 53 -}; - -enum oper_mode { - /** Ping tunnel's operating mode (client) */ - kMode_forward = 0, - /** Ping tunnel's operating mode (server) */ - kMode_proxy -}; - -enum pkt_flag { - /** set when packet comes from a user */ - kUser_flag = 1 << 30, - /** set when packet comes from the proxy */ - kProxy_flag = 1 << 31, - kFlag_mask = kUser_flag | kProxy_flag -}; - -enum log_level { - /** Different verbosity levels. */ - kNo_log = -1, - kLog_error = 0, - kLog_info, - kLog_event, - kLog_verbose, - kLog_debug, - kLog_sendrecv -}; - -enum proxy_state { - /** These constants are used to indicate the protocol state. The protocol - * works as follows: - * - The identifier is used by both the proxy and the forwarder - * to identify the session (and thus the relevant sockets). - * - The seq-no of the ping packet is used in a sliding-window-esque - * way, and to identify the order of data. - * - * The protocol can be in any of the following states: - * kProxy_start Causes the proxy to open a connection to the given - * host and port, associating the ID with the socket, - * before the data on the socket are transmitted. - * kProxy_data Indicates that the packet contains data from the proxy. - * Data ordering is indicated by the seq-no, which will start - * at 0. (The proxy and forwarder maintain different seq-nos.) - * kUser_data This packet contains user data. - * kConnection_close Indicates that the connection is being closed. - * kProxy_ack and Acknowledges the packet (and all packets before it) with seq_no = ack. - * kUser_ack This is used if there are no implicit acknowledgements due to data - * being sent. - * - * Acknowledgements work by the remote peer acknowledging the last - * continuous seq no it has received. - * - * Note: A proxy receiving a kProxy_data packet, or a user receiving a - * kUser_data packet, should ignore it, as it is the host operating system - * actually returning the ping. This is mostly relevant for users, and for - * proxies running in unprivileged mode. - */ - kProxy_start = 0, - kProto_ack, - kProto_data, - kProto_close, - kProto_authenticate, - kNum_proto_types -}; - -#endif |