100 lines
2.9 KiB
Plaintext
100 lines
2.9 KiB
Plaintext
MariGNOtti
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MariGNOtti is a network driver for GNO/ME 2.0.6. It provides a translation
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layer between BSD sockets and Marinetti. Think of it as a replacement for
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GSTCP.
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Installation:
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-------------
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1. copy the marignotti, ftp, sic, and whois executables to your /usr/local/bin
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directory.
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ftp is an update of the gno 2.0.6 ftp (it adds passive ftp support).
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whois is an updated version (from FreeBSD 9.0). The gno 2.0.6 version is
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from FreeBSD 2.1.
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sic is a very simple irc client.
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example:
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sic -h irc.a2central.com -p 6667 -n myname
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(a bunch of messages)
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:j #a2c.chat << join a room
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2. copy the etc/services file to /etc/services (if it does not exist).
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3. edit and copy the etc/resolv.conf file to /etc/resolv.conf (if it does
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not exist). This file points to your DNS server; update it as needed.
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4. If you do not have a DNS server, edit /etc/hosts to include your favorite
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sites.
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Usage:
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------
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Run marignotti in the background (marignotti &). To quit, bring it to the
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foreground (fg) and hit control-C.
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If you're using the Sweet-16 emulator version 3.0, marignotti -d will print
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some debugging information to the debugger console. marignotti -dd will
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enable extra debugging information (including the contents of reads and
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writes).
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What it does:
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-------------
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While marignotti is running in the background, it translates BSD socket calls
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into Marinetti tool calls. It also handles blocking IO, socket options,
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select, etc.
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Architecture:
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-------------
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BSD sockets are, by default, blocking whereas everything Marinetti does
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(other than the inital network connection) is non-blocking. To handle
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blocking behavior, each socket has a semaphore. The main thread performs
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all the polling and uses the semaphore to signal the other threads when they
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can proceed.
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Supported:
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----------
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socket -- only support for PF_UNIX, SOCK_STREAM, and SOCK_DGRAM.
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connect -- but non-blocking connects are not yet supported.
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bind -- currently a no-op since the old whois used it.
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read/recv/recvfrom -- supports blocking, non-blocking, timeouts, and RCVLOWAT.
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The address parameter of recvfrom is not supported. OOB is not supported.
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write/send/sendto -- does not support SNDLOWAT, OOB, or the address parameter
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of sendto.
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close -- does not support SOLINGER type functionality.
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shutdown -- sets flags but the flags are not completely implemented.
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ioctl -- support for FIONREAD (bytes available to read) and FIONBIO
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(set/clear non-blocking).
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getsockopt -- support for SO_OOBINLINE, SO_SNDLOWAT, SO_RCVLOWAT,
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SO_SNDTIMEO, SO_RCVTIMEO, SNDLOWAT and SNDTIMEO set flags but don't have any
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other effect. OOBINLINE will only be supported when true.
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getsockopt -- support for SO_TYPE, SO_OOBINLINE, SO_SNDLOWAT, SO_RCVLOWAT,
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SO_SNDTIMEO
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Not (yet) supported:
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--------------------
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- OOB (out of band) data (and will never be supported).
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- raw sockets (SOCK_RAW)
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- TCP servers (listen/accept). Should be simple, though.
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- UDP servers
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