/usr/lib/cups/filter/pstopdf is in cups-filters 1.0.52-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 | #!/bin/sh
# $Id: pstopdf,v 1.3 2003/02/15 15:21:00 gurubert Exp $
#
# This is a Postscript to PDF filter for CUPS
#
# (C) 2003 Robert Sander <robert.sander@epigenomics.com>
# (C) 2008-2012 Till Kamppeter <till.kamppeter@gmail.com>
#
# Released under GPL
#
# NO WARRANTY AT ALL
#
set -e
PS2PS=`which ps2ps`
GS=`which gs`
PS2PS_OPTIONS="-dAutoRotatePages=/None -dAutoFilterColorImages=false \
-dNOPLATFONTS -dPARANOIDSAFER -dNOINTERPOLATE -sstdout=%stderr"
PS2PDF_OPTIONS="-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.3"
PS2PDF_OPTIONS="$PS2PDF_OPTIONS $PS2PS_OPTIONS"
PS2PDF_OPTIONS="$PS2PDF_OPTIONS -dColorImageFilter=/FlateEncode \
-dPDFSETTINGS=/printer -dUseCIEColor \
-dColorConversionStrategy=/LeaveColorUnchanged"
echo "DEBUG: pstopdf $# args: $@" >&2
echo "DEBUG: PPD: $PPD" >&2
if [ $# -lt 5 -o $# -gt 6 ]; then
echo "ERROR: $0 job-id user title copies options [file]" >&2
exit 1
fi
# Read from given file.
if [ -n "$6" ]; then
exec <"$6"
fi
tempfiles=
trap 'rm -f $tempfiles' 0 1 2 13 15
infile=$(mktemp -t pstopdf.XXXXXX)
tempfiles="$tempfiles $infile"
cat >"$infile"
# Did CUPS already take care of the number of copies? If not, we have to do it
donumcopies=
numcopies="$4"
if test -z "$numcopies"; then
numcopies=1
fi
if test "$numcopies" -le "1"; then
donumcopies="-dDoNumCopies"
fi
# Apply PPD settings.
resolution=
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)Resolution=([0-9.]+(x[0-9.]+)?).*/resolution="${resolution:-\2}"/p')"
if test -e "$PPD"; then
eval "$(sed -nre 's/^\*DefaultResolution:\s*([0-9.]+(x[0-9.]+)?).*/resolution="${resolution:-\1}"/p' "$PPD")"
fi
echo "DEBUG: Resolution: $resolution" >&2
if test -n "$resolution"; then
# If the resolution is not symmetric, use the lower of the two,
# Ghostscript developers recommend to use square resolutions for the
# pdfwrite and ps2write output devices.
# See http://bugs.ghostscript.com/show_bug.cgi?id=690504
xres=
yres=
eval "$(printf "%s" "$resolution" | sed -nre 's/.*(^|\s)([0-9]+)x([0-9]+).*/xres="\2"; yres="\3"/p')"
if test -n "$xres" && test -n "$yres"; then
if [ "$xres" -lt "$yres" ]; then
resolution=$xres
else
resolution=$yres
fi
fi
fi
orientation=
width=
height=
bl_x=
bl_y=
tr_x=
tr_y=
margin_l=
margin_b=
margin_r=
margin_t=
pagesize=
unit=
customw=
customh=
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)orientation-requested=3.*/orientation="${orientation:-0}"/p')"
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)orientation-requested=4.*/orientation="${orientation:-90}"/p')"
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)orientation-requested=5.*/orientation="${orientation:-270}"/p')"
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)orientation-requested=6.*/orientation="${orientation:-180}"/p')"
if printf "%s" "$5" | grep -iPq '(\s|^)landscape(=(1|on|yes|true))?(\s|$)'; then
if test -e "$PPD"; then
eval "$(sed -nre 's/^\*LandscapeOrientation:\s*Plus90.*/orientation="${orientation:-90}"/p' "$PPD")"
eval "$(sed -nre 's/^\*LandscapeOrientation:\s*Minus90.*/orientation="${orientation:-270}"/p' "$PPD")"
else
orientation="${orientation:-270}"
fi
fi
orientation="${orientation:-0}"
echo "DEBUG: Orientation requested: $orientation" >&2
eval "$(printf "%s" "$5" | sed -nre 's/.*(^|\s)(PageSize|PageRegion)=(\S+).*/pagesize="${pagesize:-\3}"/p')"
if test -e "$PPD"; then
eval "$(sed -nre 's/^\*DefaultPageSize:\s*(\S+).*/pagesize="${pagesize:-\1}"/p' "$PPD")"
fi
echo "DEBUG: Page size: $pagesize" >&2
eval "$(printf "%s" "$pagesize" | sed -nre 's/^Custom\.([0-9\.]+)x([0-9\.]+)(\S*)$/customw="\1"; customh="\2"; unit="\3"/p')"
if test -n "$customw" && test -n "$customh"; then
echo "DEBUG: Custom page size: $customw x $customh $unit" >&2
if test "$unit" = "in"; then
width="$(printf "scale=0; (%s)*(72.0)/(1.00)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)*(72.0)/(1.00)\n" "$customh" | bc)"
elif test "$unit" = "cm"; then
width="$(printf "scale=0; (%s)*(72.0)/(2.54)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)*(72.0)/(2.54)\n" "$customh" | bc)"
elif test "$unit" = "mm"; then
width="$(printf "scale=0; (%s)*(72.0)/(25.4)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)*(72.0)/(25.4)\n" "$customh" | bc)"
else
width="$(printf "scale=0; (%s)/(1.00)\n" "$customw" | bc)"
height="$(printf "scale=0; (%s)/(1.00)\n" "$customh" | bc)"
fi
if test -e "$PPD"; then
eval "$(sed -nre 's|^\*HWMargins:\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s*|bl_x="\1"; bl_y="\2"; tr_x="\3"; tr_y="\4"|p' "$PPD")"
if test -n "$tr_x"; then
tr_x="$(printf "scale=8; (%s)-(%s)\n" "$width" "$tr_x" | bc)"
fi
if test -n "$tr_y"; then
tr_y="$(printf "scale=8; (%s)-(%s)\n" "$height" "$tr_y" | bc)"
fi
fi
elif test -n "$pagesize" && test -e "$PPD"; then
eval "$(sed -nre 's|^\*PaperDimension\s+'"$pagesize"'(/[^:]+\|):\s*"(\S+)\s+(\S+)".*|width="\2"; height="\3"|p' "$PPD")"
eval "$(sed -nre 's|^\*ImageableArea\s+'"$pagesize"'(/[^:]+\|):\s*"(\S+)\s+(\S+)\s+(\S+)\s+(\S+)".*|bl_x="\2"; bl_y="\3"; tr_x="\4"; tr_y="\5"|p' "$PPD")"
fi
test -n "$bl_x" || bl_x=0
test -n "$bl_y" || bl_y=0
test -n "$tr_x" || tr_x=$width
test -n "$tr_y" || tr_y=$height
echo "DEBUG: Width: $width, height: $height, absolute margins: $bl_x, $bl_y, $tr_x, $tr_y" >&2
if test -n "$width" && test -n "$height" && \
test -n "$bl_x" && test -n "$bl_y" && \
test -n "$tr_x" && test -n "$tr_y"; then
margin_l="$bl_x"
margin_b="$bl_y"
margin_r="$(printf "scale=8; (%s)-(%s)\n" "$width" "$tr_x" | bc)"
margin_t="$(printf "scale=8; (%s)-(%s)\n" "$height" "$tr_y" | bc)"
fi
echo "DEBUG: Relative margins: $margin_l, $margin_b, $margin_r, $margin_t" >&2
if test "$orientation" = "90" || test "$orientation" = "270"; then
swap="$width"
width="$height"
height="$swap"
fi
if test "$orientation" = "90"; then
swap="$margin_l"
margin_l="$margin_b"
margin_b="$margin_r"
margin_r="$margin_t"
margin_t="$swap"
elif test "$orientation" = "180"; then
swap="$margin_l"
margin_l="$margin_r"
margin_r="$swap"
swap="$margin_t"
margin_t="$margin_b"
margin_b="$swap"
elif test "$orientation" = "270"; then
swap="$margin_l"
margin_l="$margin_t"
margin_t="$margin_r"
margin_r="$margin_b"
margin_b="$swap"
fi
if test -n "$margin_l" && test -n "$margin_b" && \
test -n "$margin_r" && test -n "$margin_t"; then
inject_ps="<</.HWMargins[$margin_l $margin_b $margin_r $margin_t] /Margins[0 0]>>setpagedevice"
fi
ppd_opts=
if test -n "$resolution"; then
ppd_opts="${ppd_opts:+$ppd_opts }-r$resolution"
fi
if test -n "$width"; then
ppd_opts="${ppd_opts:+$ppd_opts }-dDEVICEWIDTHPOINTS=$width"
fi
if test -n "$height"; then
ppd_opts="${ppd_opts:+$ppd_opts }-dDEVICEHEIGHTPOINTS=$height"
fi
echo "DEBUG: PPD options: $ppd_opts" >&2
echo "DEBUG: PostScript to be injected: $inject_ps" >&2
# DRM
DRM_MATCH='^%.*Removing the following.*lines is illegal.*Digital Copyright Act'
if egrep -q "$DRM_MATCH" "$infile"; then
# This PS is DRM-infested. Normalize it with ps2ps first.
echo "DEBUG: Normalizing Adobe Reader PostScript with ps2ps" >&2
DRMFILTER="$PS2PS $PS2PS_OPTIONS $ppd_opts - -"
else
DRMFILTER=cat
fi
echo "DEBUG: Running $DRMFILTER | $GS $PS2PDF_OPTIONS $donumcopies $ppd_opts -sOutputFile=- $OPTIONS -c $inject_ps .setpdfwrite -f -" >&2
cat "$infile" | $DRMFILTER | $GS $PS2PDF_OPTIONS $donumcopies $ppd_opts -sOutputFile=- $OPTIONS -c "$inject_ps" .setpdfwrite -f -
|