From 5449fc86db2fc448f5ba26445fd4b69bf99e9593 Mon Sep 17 00:00:00 2001 From: Roger Dingledine Date: Thu, 19 Sep 2002 20:13:27 +0000 Subject: [PATCH] synchronize to the version i've been giving people to test svn:r104 --- HACKING | 25 +++++++++++++++---------- README | 31 ++++++++++++++++++------------- src/common/version.h | 9 ++++++--- src/config/oprc | 2 +- src/httpap/httpap.c | 6 ++++-- src/or/connection_ap.c | 7 +++++-- src/or/onion.c | 2 +- src/or/or.h | 1 - src/smtpap/smtpap.c | 6 ++++-- 9 files changed, 54 insertions(+), 35 deletions(-) diff --git a/HACKING b/HACKING index 77f66201f3..8d214c642f 100644 --- a/HACKING +++ b/HACKING @@ -6,22 +6,27 @@ the code, add features, fix bugs, etc. Read the README file first, so you can get familiar with the basics. -1. The pieces. +1. The programs. -1.1. Routers. Onion routers, as far as the 'or' program is concerned, +1.1. "or". This is the main program here. It functions as both a server +and a client, depending on which config file you give it. ... + +2. The pieces. + +2.1. Routers. Onion routers, as far as the 'or' program is concerned, are a bunch of data items that are loaded into the router_array when the program starts. After it's loaded, the router information is never changed. When a new OR connection is started (see below), the relevant information is copied from the router struct to the connection struct. -1.2. Connections. A connection is a long-standing tcp socket between +2.2. Connections. A connection is a long-standing tcp socket between nodes. A connection is named based on what it's connected to -- an "OR connection" has an onion router on the other end, an "OP connection" has an onion proxy on the other end, an "exit connection" has a website or other server on the other end, and an "AP connection" has an application proxy (and thus a user) on the other end. -1.3. Circuits. A circuit is a single conversation between two +2.3. Circuits. A circuit is a single conversation between two participants over the onion routing network. One end of the circuit has an AP connection, and the other end has an exit connection. AP and exit connections have only one circuit associated with them (and thus these @@ -29,20 +34,20 @@ connection types are closed when the circuit is closed), whereas OP and OR connections multiplex many circuits at once, and stay standing even when there are no circuits running over them. -1.4. Cells. Some connections, specifically OR and OP connections, speak +2.4. Cells. Some connections, specifically OR and OP connections, speak "cells". This means that data over that connection is bundled into 128 byte packets (8 bytes of header and 120 bytes of payload). Each cell has a type, or "command", which indicates what it's for. -2. Important parameters in the code. +3. Important parameters in the code. -2.1. Role. +3.1. Role. 3. Robustness features. -3.1. Bandwidth throttling. Each cell-speaking connection has a maximum +4.1. Bandwidth throttling. Each cell-speaking connection has a maximum bandwidth it can use, as specified in the routers.or file. Bandwidth throttling occurs on both the sender side and the receiving side. The sending side sends cells at regularly spaced intervals (e.g., a connection @@ -64,7 +69,7 @@ The bandwidth throttling uses TCP to push back when we stop reading. We extend it with token buckets to allow more flexibility for traffic bursts. -3.2. Data congestion control. Even with the above bandwidth throttling, +4.2. Data congestion control. Even with the above bandwidth throttling, we still need to worry about congestion, either accidental or intentional. If a lot of people make circuits into same node, and they all come out through the same connection, then that connection may become saturated @@ -101,7 +106,7 @@ already guarantee in-order delivery of each cell. Rather than trying to build some sort of tcp-on-tcp scheme, we implement this minimal data congestion control; so far it's enough. -3.3. Router twins. In many cases when we ask for a router with a given +4.3. Router twins. In many cases when we ask for a router with a given address and port, we really mean a router who knows a given key. Router twins are two or more routers that all share the same private key. We thus give routers extra flexibility in choosing the next hop in the circuit: if diff --git a/README b/README index a53fc9c173..1dfef604df 100644 --- a/README +++ b/README @@ -1,9 +1,10 @@ Dependencies: - You're going to need openssl (0.9.6 will work fine, possibly 0.9.5 also) - and popt installed. If you're on Linux, everything will probably work - fine. If you're not, you're on your own (but let us know how it goes). + You're going to need openssl (0.9.5 or later) and popt (1.6 or later). + If you're on Linux, everything will probably work fine. OS X and BSD + (but see below under troubleshooting) now work too. Let us know if + you get it working elsewhere. If you got the source from cvs: @@ -21,7 +22,7 @@ If this doesn't work for you / troubleshooting: If you couldn't find popt (eg you're on BSD), try CPPFLAGS="-I/usr/local/include" LDFLAGS="-L/usr/local/lib" \ ./configure - rather than simply ./configure. + rather than simply ./configure. And install popt if you don't have it. Check out the list archives at http://archives.seul.org/or/dev/ and see if somebody else has reported your problem. If not, please subscribe @@ -31,16 +32,17 @@ If this doesn't work for you / troubleshooting: Once you've got it compiled: It's a bit hard to figure out what to do with the binaries. If you - want to just run a local onion proxy, go into src/config and look at - the oprc file. You can run an onion proxy by "../or/or -f oprc". In - another window, run something like "../httpap/httpap -f httpaprc -p - 9051". See below for how to use it. + want to run a local onion proxy (that is, you're a user, not a node + operator), go into src/config and look at the oprc file. You can run an + onion proxy by "../or/or -f oprc". In another window, run something like + "../httpap/httpap -f httpaprc2 -p 9051". See below for how to use it. - If you want to set up your own test network, go into src/config/ and - look at the routers.or file. Also in that directory are public and - private keys for various nodes (*-public, *-private) and configuration - files for the nodes (*-orrc). You can generate your own keypairs with - the orkeygen program, or use the provided ones for testing. + If you want to set up your own test network (that is, act like you're + a full set of node operators), go into src/config/ and look at the + routers.or file. Also in that directory are public and private keys for + various nodes (*-public, *-private) and configuration files for the + nodes (*-orrc). You can generate your own keypairs with the orkeygen + program, or use the provided ones for testing. Once you've got your config files ready, you're ready to start up your network. I recommend using a screen session (man screen), or some @@ -61,6 +63,9 @@ How to use it: http_proxy=localhost:9051 Then you can do things like "wget seul.org" and watch as it downloads from the onion routing network. + (You can set your Mozilla/etc to use localhost:9051 as a proxy, and it + will work -- but it will work even better if you tell your Mozilla to + speak only HTTP 1.0 (the http proxy we include doesn't do 1.1 yet.)) For fun, you can wget a very large file (a megabyte or more), and then ^z the wget a little bit in. The onion routers will continue diff --git a/src/common/version.h b/src/common/version.h index fa9b87e34c..ee541b6e01 100644 --- a/src/common/version.h +++ b/src/common/version.h @@ -8,8 +8,11 @@ /* * Changes : * $Log$ - * Revision 1.1 2002/06/26 22:45:50 arma - * Initial revision + * Revision 1.2 2002/09/19 20:13:23 arma + * synchronize to the version i've been giving people to test + * + * Revision 1.1.1.1 2002/06/26 22:45:50 arma + * initial commit: current code * * Revision 1.3 2002/04/02 14:27:11 badbytes * Final finishes. @@ -23,6 +26,6 @@ */ #ifndef __VERSION_H -#define VERSION 2 +#define OR_VERSION 2 #define __VERSION_H #endif diff --git a/src/config/oprc b/src/config/oprc index a913420465..a078e2d67c 100644 --- a/src/config/oprc +++ b/src/config/oprc @@ -1,7 +1,7 @@ # Configuration file for or # List of routers -RouterFile ../config/routers.or +RouterFile ../config/routers.op # Private key #PrivateKeyFile moria1-private diff --git a/src/httpap/httpap.c b/src/httpap/httpap.c index 8aa515e621..5aeb5cb718 100644 --- a/src/httpap/httpap.c +++ b/src/httpap/httpap.c @@ -8,6 +8,9 @@ /* * Changes : * $Log$ + * Revision 1.10 2002/09/19 20:13:27 arma + * synchronize to the version i've been giving people to test + * * Revision 1.9 2002/09/10 13:32:27 nickm * "You got BSD in my MacOS!" "You got MacOS in my BSD!" Anyway, MacOS works again. * @@ -57,7 +60,6 @@ */ #include "orconfig.h" -#undef VERSION #include #include #include @@ -259,7 +261,7 @@ int handle_connection(int new_sock, struct hostent *local, struct sockaddr_in re } /* create a standard structure */ - ss.version = VERSION; + ss.version = OR_VERSION; ss.protocol = SS_PROTOCOL_HTTP; ss.retry_count = 0; ss.addr_fmt = SS_ADDR_FMT_ASCII_HOST_PORT; diff --git a/src/or/connection_ap.c b/src/or/connection_ap.c index 732af7b067..50b4438d84 100644 --- a/src/or/connection_ap.c +++ b/src/or/connection_ap.c @@ -48,8 +48,11 @@ int ap_handshake_process_ss(connection_t *conn) { conn->ss_received = sizeof(ss_t); log(LOG_DEBUG,"ap_handshake_process_ss(): Successfully read ss."); - if ((conn->ss.version == 0) || (conn->ss.version != VERSION)) { /* unsupported version */ - log(LOG_DEBUG,"ap_handshake_process_ss(): ss: Unsupported version."); + if ((conn->ss.version == 0) || (conn->ss.version != OR_VERSION)) { /* unsupported version */ + log(LOG_NOTICE,"ap_handshake_process_ss(): ss: Unsupported version '%c'.",conn->ss.version); + if(tolower(conn->ss.version) == 'g') { + log(LOG_NOTICE,"ap_handshake_process_ss(): are you using the onion proxy as a web proxy?"); + } return -1; } if (conn->ss.addr_fmt != SS_ADDR_FMT_ASCII_HOST_PORT) { /* unrecognized address format */ diff --git a/src/or/onion.c b/src/or/onion.c index 996d56a5cd..52b785bb09 100644 --- a/src/or/onion.c +++ b/src/or/onion.c @@ -221,7 +221,7 @@ unsigned char *create_onion(routerinfo_t **rarray, int rarray_len, unsigned int /* 0 bit */ layer->zero = 0; /* version */ - layer->version = VERSION; + layer->version = OR_VERSION; /* Back F + Forw F both use DES OFB*/ layer->backf = ONION_DEFAULT_CIPHER; layer->forwf = ONION_DEFAULT_CIPHER; diff --git a/src/or/or.h b/src/or/or.h index e1b7f8fd37..2c2b63166e 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -6,7 +6,6 @@ #define __OR_H #include "orconfig.h" -#undef VERSION #include #include diff --git a/src/smtpap/smtpap.c b/src/smtpap/smtpap.c index 2bb8e5acb4..0f0a65bc3e 100644 --- a/src/smtpap/smtpap.c +++ b/src/smtpap/smtpap.c @@ -8,6 +8,9 @@ /* * Changes : * $Log$ + * Revision 1.7 2002/09/19 20:13:27 arma + * synchronize to the version i've been giving people to test + * * Revision 1.6 2002/09/10 13:32:27 nickm * "You got BSD in my MacOS!" "You got MacOS in my BSD!" Anyway, MacOS works again. * @@ -126,7 +129,6 @@ */ #include "orconfig.h" -#undef VERSION #include #include #include @@ -749,7 +751,7 @@ int handle_connection(int s, struct hostent *local, struct sockaddr_in remote, u else { /* fill in the standard structure */ - ss.version = VERSION; + ss.version = OR_VERSION; ss.protocol= SS_PROTOCOL_SMTP; ss.retry_count = 0; ss.addr_fmt = SS_ADDR_FMT_ASCII_HOST_PORT;