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118 lines
3.1 KiB
Plaintext
118 lines
3.1 KiB
Plaintext
This file is out of date - it remains here in case it is still of use.
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The basic naming convention is svr- and cli- for seperate parts,
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then common- for common parts. Some files have no prefix.
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A brief rundown on which files do what, and their corresponding sections
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in the IETF drafts. The .c files usually have corresponding .h files.
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Transport layer draft-ietf-secsh-transport-16.txt
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===============
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session.c Contains the main select() loop, and handles setting
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up/closing down ssh connections
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algo.c Framework for handling various ciphers/hashes/algos,
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and choosing between the lists of client/server
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preferred ones
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kex.c Key exchange routines, used at startup to negotiate
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which algorithms to use, and also to obtain session
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keys. This also runs when rekeying during the
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connection.
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packet.c Handles the basic packet encryption/decryption,
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and switching to the appropriate packet handlers.
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Called from session.c's main select loop.
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service.c Handles service requests (userauth or connection)
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Authentication draft-ietf-secsh-userauth-17.txt
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==============
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auth.c General auth handling, including user checking etc,
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passes different auth types to auth{passwd,pubkey}
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authpasswd.c Handles /etc/passwd or /etc/shadow auth
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authpubkey.c Handles ~/.ssh/authorized_keys auth
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Connection draft-ietf-secsh-connect-17.txt
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==========
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channel.c Channel handling routines - each shell/tcp conn/agent
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etc is a channel.
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chansession.c Handles shell/exec requests
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sshpty.c From OpenSSH, allocates PTYs etc
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termcodes.c Mapping of POSIX terminal codes to SSH terminal codes
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loginrec.c From OpenSSH, handles utmp/wtmp logging
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x11fwd.c Handles X11 forwarding
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agentfwd.c Handles auth-agent forwarding requests
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localtcpfwd.c Handles -L style tcp forwarding requests, setting
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up the listening port and also handling connections
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to that port (and subsequent channels)
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Program-related
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===============
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dbmulti.c Combination binary chooser main() function
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dbutil.c Various utility functions, incl logging, memory etc
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dropbearconvert.c Conversion from dropbear<->openssh keys, uses
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keyimport.c to do most of the work
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dropbearkey.c Generates keys, calling gen{dss,rsa}
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keyimport.c Modified from PuTTY, converts between key types
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main.c dropbear's main(), handles listening, forking for
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new connections, child-process limits
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runopts.c Parses commandline options
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options.h Compile-time feature selection
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config.h Features selected from configure
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debug.h Compile-time selection of debug features
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includes.h Included system headers etc
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Generic Routines
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================
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signkey.c A generic handler for pubkeys, switches to dss or rsa
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depending on the key type
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rsa.c RSA asymmetric crypto routines
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dss.c DSS asymmetric crypto routines
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gendss.c DSS key generation
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genrsa.c RSA key generation
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bignum.c Some bignum helper functions
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queue.c A queue, used to enqueue encrypted packets to send
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random.c PRNG, based on /dev/urandom or prngd
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atomicio.c From OpenSSH, does `blocking' IO on non-blocking fds
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buffer.c Buffer-usage routines, with size checking etc
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vim:set ts=8:
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