1#!/usr/local/plan9/bin/rc 2# This program enqueues the file to be printed and starts the daemon, when necessary. 3# Make changes to /sys/src/cmd/lp/lp.rc. Changes made directly to /rc/bin/lp will be lost. 4 5# rfork en # so that environment and name space are not polluted 6# 7# put 'fn sigexit { rm /tmp/lpcrap; exit interrupted }' into processes that create /tmp/lpcrap. 8 9ifs=' 10' # set ifs in case it is munged in user's environment 11 12LPLIB=$PLAN9/lp # lp scripts directories and configuration file are here 13LPBIN=$PLAN9/bin/lpbin # lp specific binaries are here 14LPSPOOL=$LPLIB/queue # lp queues 15LPLOGDIR=$LPLIB/log # lp logs 16 17# $LPLIB/bin/lpscratch || exit $status 18LPTMP=/var/tmp 19 20path=($PLAN9/bin /usr/local/bin /usr/bin /bin $LPLIB/bin $LPBIN) 21 22USAGE='usage: lp [-d printer] [-p process] [options] [files] 23 lp [-d printer] -q 24 lp [-d printer] -k jobnos 25 26 options include: 27 -H no header 28 -L landscape mode 29 -c<n> make <n> copies 30 -f<font.size> specify font and size 31 -i<src> take media from <src> input bin 32 -l<n> print <n> lines per logical page 33 -m<n> magnify <n> times 34 -n<n> print <n> logical pages per physical page 35 -o<i-j,k> print only pages i-j and k 36 -r reverse pages 37 -x<n> x page offset in inches 38 -y<n> y page offset in inches' 39 40umask 000 # this doesn't work in plan 9 41THIS_HOST=$sysname 42if(~ $#THIS_HOST 0) 43 THIS_HOST=`{hostname | sed 's/\..*//'} 44if(~ $#THIS_HOST 0) 45 THIS_HOST=gnot 46 47# Helpers for scripts 48 49# Run a program from a /sys/lib/lp subdirectory. 50fn lpsub { 51 _LPSUB=$1 52 shift 53 _LPCMD=$1 54 shift 55 @{path=($LPLIB/$_LPSUB $path); $LPLIB/$_LPSUB/$_LPCMD $*} 56} 57 58# Run a command with standard input from file $1. 59# If $1 is '', use the current standard input. 60fn lpinput { 61 _LPFILE=$1 62 shift 63 if(~ $_LPFILE '') $* 64 if not $* < $_LPFILE 65} 66 67LPMACHID=$THIS_HOST 68THIS_USERID=$user 69LPUSERID=$THIS_USERID 70LPLOC='' 71 72# Set default printer to be output device 73if (~ $#LPDEST 0 && test -f $LPLIB/default) 74 LPDEST=`{cat $LPLIB/default} 75 76# Parse option parameters 77 78XOFF='' 79YOFF='' 80POINT='' 81FONT='' 82LINES='' 83LAND='' 84COPIES='' 85MAG='' 86NPAG='' 87OLIST='' 88IBIN='' 89REVERSE='' 90NOHEAD='' 91TRAY='' 92# remove FLAGS from environment 93FLAGD=();FLAGH=();FLAGL=();FLAGM=();FLAGQ=();FLAGc=();FLAGd=();FLAGf=() 94FLAGi=();FLAGk=();FLAGl=();FLAGm=();FLAGn=();FLAGo=();FLAGp=();FLAGq=() 95FLAGr=();FLAGt=();FLAGu=();FLAGx=();FLAGy=() 96# Process options 97eval `{getflags DHLM:1QRc:1d:1f:1i:1kl:1m:1n:1o:1p:1qrt:1u:1x:1y:1 $*} 98if (! ~ $status '') exit $status 99if (! ~ $#FLAGD 0) { DEBUG=1; flag x + }; if not { DEBUG=''; flag x - } 100if (! ~ $#FLAGH 0) NOHEAD=1; if not NOHEAD='' 101if (! ~ $#FLAGL 0) LAND=1; if not LAND='' 102# originating machine id (for information only) 103if (! ~ $#FLAGM 0 && ~ $LPUSERID daemon) LPMACHID=$FLAGM 104if (! ~ $#FLAGQ 0) QONLY=1; if not QONLY='' 105if (! ~ $#FLAGR 0) RESET=1; if not RESET='' 106if (! ~ $#FLAGc 0) COPIES=$FLAGc; if not COPIES=1 107if (! ~ $#FLAGd 0) { 108 switch ($FLAGd) { 109 case '?'; exec awk 'BEGIN{printf "device location host class\n"} 110 /^[^#]/ {printf "%-12s %-9s %-20s %s\n", $1, $2, $3, $6 }' $LPLIB/devices 111 case *; LPDEST=$FLAGd 112 } 113} 114if (! ~ $#FLAGf 0) eval `{echo $FLAGf | sed -e 's/([^.]*)\.([0-9.]*)/FONT=\1;POINT=\2;/'} 115if (! ~ $#FLAGi 0) IBIN=$FLAGi 116if (! ~ $#FLAGk 0) KILLFLAG=1; if not KILLFLAG=0 117if (! ~ $#FLAGl 0) LINES=$FLAGl 118if (! ~ $#FLAGm 0) MAG=$FLAGm 119if (! ~ $#FLAGn 0) NPAG=$FLAGn 120if (! ~ $#FLAGo 0) OLIST=-o$FLAGo 121if (! ~ $#FLAGp 0) { 122 switch (FLAGp) { 123 case '?';exec ls $LPLIB/process 124 case *; LPPROC=$FLAGp 125 } 126} 127if (! ~ $#FLAGq 0) LPQ=1; if not LPQ=0 128if (! ~ $#FLAGr 0) { 129 switch ($REVERSE) { 130 case '';REVERSE=1 131 case 1; REVERSE='' 132 } 133} 134if (! ~ $#FLAGt 0) TRAY=$FLAGt 135# originating user id 136if (! ~ $#FLAGu 0) LPUSERID=$FLAGu 137if (! ~ $#FLAGx 0) XOFF=$FLAGx 138if (! ~ $#FLAGy 0) YOFF=$FLAGy 139 140if (~ $#LPDEST 0) { 141 echo 'Set environment variable LPDEST or use the 142''-d printer'' option to set the destination.' >[1=2] 143 exit 'LPDEST not set' 144} 145if (~ $LPDEST */*) { # handles MHCC destinations like mh/lino 146 LPLOC=`{echo $LPDEST|sed 's/^(.*)\/(.*)/\1/'} 147 LPDEST=`{echo $LPDEST|sed 's/^(.*)\/(.*)/\2/'} 148} 149 150# Fetch device info from devices file. 151 152LPDLINE=`{grep '^'$LPDEST'[ ]' $LPLIB/devices} 153if (! ~ $status '') { 154 echo 'device '$LPDEST' is not in '$LPLIB'/devices' >[1=2] 155 exit 'LPDEST is bad' 156} 157LOC=$LPDLINE(2) 158DEST_HOST=$LPDLINE(3) 159OUTDEV=$LPDLINE(4) 160SPEED=$LPDLINE(5) 161LPCLASS=$LPDLINE(6) 162if (~ $#LPPROC 0) LPPROC=$LPDLINE(7) 163SPOOLER=$LPDLINE(8) 164STAT=$LPDLINE(9) 165KILL=$LPDLINE(10) 166DAEMON=$LPDLINE(11) 167SCHED=$LPDLINE(12) 168 169# On to the actual command-line processing. 170 171# lp -k 172if (~ $KILLFLAG 1) 173 switch ($KILL) { 174 case - 175 echo kill option not available on $LPDEST >[1=2] 176 exit 'kill n/a' 177 case * 178 lpsub kill $KILL $* 179 exit $status 180 } 181 182# lp -q 183if (~ $LPQ 1) 184 switch ($STAT) { 185 case - 186 echo queue status option not available on $LPDEST >[1=2] 187 exit 'stat option not available' 188 case * 189 lpsub stat $STAT $* </dev/null 190 exit $status 191 } 192 193# lp 194DATE=`{date} 195LPLOG=$LPLOGDIR/$LPDEST 196if (! test -e $LPLOG) { 197 >$LPLOG 198 chmod +rwa $LPLOG >[2]/dev/null 199} 200 201if (~ $RESET '') { # lp file 202 switch ($SPOOLER) { 203 case -; echo spooler does not exist for $LPDEST >[1=2] 204 exit 'no spooler' 205 case *; path=($LPLIB/spooler $path) 206 if (~ $#* 0) $SPOOLER 207 if not $SPOOLER $* 208 } 209} 210 211if not { # lp -R 212 echo restarting daemon for printer $LPDEST >[1=2] 213 echo `{date} restarting daemon >>$LPLOG 214 UNLOCK $LPSPOOL/$LPDEST 215 sleep 5 216} 217 218# run daemon 219if (~ $QONLY '') { # not lp -Q 220 if (! ~ $DAEMON -) { 221 lpsub daemon $DAEMON $* >>$LPLOG >[2=1] & 222 } 223} 224exit '' 225