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.TH PAPD 8 "06 Mar 2001" "netatalk 1.5"
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papd \- AppleTalk print server daemon
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is the AppleTalk printer daemon. This daemon accepts print jobs from
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AppleTalk clients (typically Macintosh computers) using the Printer
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Access Protocol (PAP).
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spools jobs directly into an
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spool directory and wakes up
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after accepting a job from the network to have it re-examine the
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appropriate spool directory. The actual printing and spooling is
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can also pipe the print job to an external program for processing, and
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this is the preferred method to avoid compatibility problems with all
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the flavors of lpd in use.
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is typically started at boot time, out of system init scripts.
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It first reads from its configuration file,
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.BR :ETCDIR:/papd.conf .
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The file is in the same format as
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for details. The name of the entry is registered with
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The following options are supported:
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Name Type Default Descripton
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pd str `.ppd' Pathname to PPD file
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pr str `lp' LPD printer name (or print command)
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op str `operator' Operator name for LPD spooling
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ca str NULL Pathname used for CAP-style authentication
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sp bool false PSSP-style authentication
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am str NULL UAMS to use for authentication
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pa str NULL Printer's AppleTalk address?
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If no configuration file is given, the hostname of the machine is used
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as the NBP name and all options take their default value.
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Do not fork or disassociate from the terminal. Write some
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debugging information to stderr.
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for the configuration information.
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for LPD configuration information.
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The following papd configuration file sets up three print spoolers.
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The first spooler is known by the NBP name
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.B Mac Printer Spooler,
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and uses a PPD file located in /usr/share/lib/ppd.
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In addition, the user mcs
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will be the owner of all jobs that are spooled.
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The second spooler is known as
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and all options are the default. The third spooler is known as
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It pipes the print job to lpr for printing. PSSP authenticated printing
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is enabled, as is CAP-style authenticated printing. Both methods support
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guest and cleartext authentication as specified by the 'am' option. The
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PPD used is /etc/atalk/ppds/hp8100.ppd.
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Mac Printer Spooler:\\
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:pd=/usr/share/lib/ppd/HPLJ_4M.PPD:\\
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:pr=|/usr/bin/lpr -Plp:\\
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:am=uams_guest.so,uams_pam.so:\\
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:pd=/etc/atalk/ppds/hp8100.ppd:
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PSSP (Print Server Security Protocol) is an authentication protocol
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carried out through postscript printer queries to the print server. Using
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PSSP requires LaserWriter 8.6.1 or greater on the client mac. The user
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will be prompted to enter their username and password before they print.
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It may be necessary to re-setup the printer on each client the first time
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PSSP is enabled, so that the client can figure out that authentication is
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required to print. You can enable PSSP on a per-printer basis. PSSP is
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the recommended method of authenticating printers as it is more robust
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that CAP-style authentication, described below.
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CAP-style authentication gets its name from the method the CAP (Columbia
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APpletalk) package used to authenticate its mac clients' printing. This
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method requires that a user login to a file share before they print.
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records the username in a temporary file named after the clients
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Appletalk address, and it deletes the temporary file when the user
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gets the username from the file with the same Appletalk address as the
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machine connecting to it. CAP-style authentication will work with any
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mac client. If both CAP and PSSP are enabled for a particular printer, CAP
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will be tried first, then it will fall back to PSSP.
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The list of UAMS to use for authentication (specified with the 'am'
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option) applies to all printers. It is not possible to define different
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authentication methods on each printer. You can specify the list of UAMS
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multiple times, but only the last setting will be used. Currently only
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uams_guest.so, uams_passwd.so, and uams_pam.so are supported as printer
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authentication methods. The guest method requires a valid username, but
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not a password. The passwd and pam methods require both a valid username
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and the correct password.
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.B :ETCDIR:/papd.conf
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Default configuration file.
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Printer capabilities database.
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PostScript Printer Description file.
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answers configuration and font queries from printing clients by
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consulting the configured PPD file. Such files are available from
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Adobe, Inc, via anonymous ftp from ftp.adobe.com in /pub/adobe/printerdrivers/mac/all/ppdfiles/
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(ftp://ftp.adobe.com//pub/adobe/printerdrivers/mac/all/ppdfiles/), or from the printer's
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manufacturer. If no PPD file is configured,
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will return the default answer, possibly causing the client to send
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excessively large jobs.
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accepts characters with the high bit set (a full 8-bits) from the clients,
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but some PostScript printers (including Apple Computer's LaserWriter family)
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only accept 7-bit characters on their serial interface by default. You will
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need to configure your printer to accept a full 8 bits.
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man/man8/papd.8.tmpl
