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5 changed files with 1 additions and 319 deletions

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@ -1,107 +0,0 @@
diff --git a/backend/beh.c b/backend/beh.c
index 225fd27..5e9cee0 100644
--- a/backend/beh.c
+++ b/backend/beh.c
@@ -22,6 +22,7 @@
#include "backend-private.h"
#include <cups/array.h>
#include <ctype.h>
+#include <sys/wait.h>
/*
* Local globals...
@@ -213,10 +214,14 @@ call_backend(char *uri, /* I - URI of final destination */
char **argv, /* I - Command-line arguments */
char *filename) { /* I - File name of input data */
const char *cups_serverbin; /* Location of programs */
+ char *backend_argv[8]; // Arguments for called CUPS backend
char scheme[1024], /* Scheme from URI */
*ptr, /* Pointer into scheme */
- cmdline[65536]; /* Backend command line */
- int retval;
+ backend_path[2048]; // Backend path
+ int pid,
+ wait_pid,
+ wait_status,
+ retval = 0;
/*
* Build the backend command line...
@@ -235,16 +240,19 @@ call_backend(char *uri, /* I - URI of final destination */
fprintf(stderr,
"ERROR: beh: Direct output into a file not supported.\n");
exit (CUPS_BACKEND_FAILED);
- } else
- snprintf(cmdline, sizeof(cmdline),
- "%s/backend/%s '%s' '%s' '%s' '%s' '%s' %s",
- cups_serverbin, scheme, argv[1], argv[2], argv[3],
- /* Apply number of copies only if beh was called with a
- file name and not with the print data in stdin, as
- backends should handle copies only if they are called
- with a file name */
- (argc == 6 ? "1" : argv[4]),
- argv[5], filename);
+ }
+
+ backend_argv[0] = uri;
+ backend_argv[1] = argv[1];
+ backend_argv[2] = argv[2];
+ backend_argv[3] = argv[3];
+ backend_argv[4] = (argc == 6 ? "1" : argv[4]);
+ backend_argv[5] = argv[5];
+ backend_argv[6] = filename;
+ backend_argv[7] = NULL;
+
+ snprintf(backend_path, sizeof(backend_path),
+ "%s/backend/%s", cups_serverbin, scheme);
/*
* Overwrite the device URI and run the actual backend...
@@ -253,17 +261,41 @@ call_backend(char *uri, /* I - URI of final destination */
setenv("DEVICE_URI", uri, 1);
fprintf(stderr,
- "DEBUG: beh: Executing backend command line \"%s\"...\n",
- cmdline);
+ "DEBUG: beh: Executing backend command line \"%s '%s' '%s' '%s' '%s' '%s'%s%s\"...\n",
+ backend_path, backend_argv[1], backend_argv[2], backend_argv[3],
+ backend_argv[4], backend_argv[5],
+ (backend_argv[6] && backend_argv[6][0] ? " " : ""),
+ (backend_argv[6] && backend_argv[6][0] ? backend_argv[6] : ""));
fprintf(stderr,
"DEBUG: beh: Using device URI: %s\n",
uri);
- retval = system(cmdline) >> 8;
+ if ((pid = fork()) == 0)
+ {
+ retval = execv(backend_path, backend_argv);
+
+ if (retval == -1)
+ fprintf(stderr, "ERROR: Unable to execute backend: %s\n",
+ strerror(errno));
+ exit (CUPS_BACKEND_FAILED);
+ }
+ else if (pid < 0)
+ {
+ fprintf(stderr, "ERROR: Unable to fork for backend\n");
+ return (CUPS_BACKEND_FAILED);
+ }
+
+ while ((wait_pid = wait(&wait_status)) < 0 && errno == EINTR);
- if (retval == -1)
- fprintf(stderr, "ERROR: Unable to execute backend command line: %s\n",
- strerror(errno));
+ if (wait_pid >= 0 && wait_status)
+ {
+ if (WIFEXITED(wait_status))
+ retval = WEXITSTATUS(wait_status);
+ else if (WTERMSIG(wait_status) != SIGTERM)
+ retval = WTERMSIG(wait_status);
+ else
+ retval = 0;
+ }
return (retval);
}

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@ -1,13 +0,0 @@
diff --git a/filter/gstoraster.c b/filter/gstoraster.c
index 7fd9ccf..0c9f37d 100644
--- a/filter/gstoraster.c
+++ b/filter/gstoraster.c
@@ -906,7 +906,7 @@ main (int argc, char **argv, char *envp[])
cupsArrayAdd(gs_args, strdup("-c"));
/* Set margins if we have a bounding box defined */
- if (h.cupsImagingBBox[3] > 0.0) {
+ if (h.cupsImagingBBox[3] > 0.0 && outformat != OUTPUT_FORMAT_PDF) {
snprintf(tmpstr, sizeof(tmpstr),
"<</.HWMargins[%f %f %f %f] /Margins[0 0]>>setpagedevice",
h.cupsImagingBBox[0], h.cupsImagingBBox[1],

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@ -1,124 +0,0 @@
#!/bin/bash
## Copyright (C) 2003-2006 Red Hat, Inc.
## Copyright (C) 2003-2006 Tim Waugh <twaugh@redhat.com>
## Changed on 2007/05/17, Opher Shachar, LADPC Ltd.
## Added support for page-ranges option.
## Added page accounting.
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if [ $# == 0 ]; then
echo >&2 "ERROR: $0 job-id user title copies options [file]"
exit 1
fi
# Extract the papersize
SENDFF=`grep '^\*DefaultSendFF' "$PPD" | cut -d\ -f2`
COPIES=1
if [ $# -ge 4 ]; then
COPIES="$4"
fi
if [ $# -lt 6 ]; then
unset TMPFILE
trap -- 'rm -f "$TMPFILE"' EXIT
TMPFILE=$(mktemp ${TMPDIR:-/tmp}/lftocrlf.XXXXXX)
cat > "$TMPFILE"
else
TMPFILE="$6"
fi
PR=${5#*page-ranges=}
# Do options specify page-ranges?
if [[ "$PR" != "$5" ]]; then
PR=${PR%% *}
else
#unset PR
PR=1-999999
fi
if [[ "$PR" ]]; then
TMPFILE2=$(mktemp ${TMPDIR:-/tmp}/lftocrlf2.XXXXXX)
pagenum=0
EOF=
{
while [[ "$PR" ]]; do
pl=${PR%%,*} ;# take first subrange
PR=${PR#$pl};PR=${PR#,} ;# remove from range list
pu=${pl#*-} ;# extract upper and lower
pl=${pl%-*} ;# pages of subrange
# Allows interpreting 0-5,3-10 as 1-5,6-10 rejects 5-1 or 1-
(( pagenum >= pl )) && pl=$(( pagenum + 1 ))
(( pl > pu )) && continue
# Loop reading pages until at or over lower page of subrange.
while read -d `echo -ne '\f'` -r; do
(( pagenum++ ))
(( pagenum == pl )) && break
done
# Did we reach lower page of subrange or EOF?
if (( pagenum < pl )); then
[[ ! "$REPLY" ]] && break ;# empty last page - we're done.
(( pagenum++ ))
EOF=y
fi
# Output page and report to page log
if (( pagenum == pl )); then
echo -n "${REPLY}" >>"$TMPFILE2"
# If EOF then page has no final FF
[[ ! "$EOF" ]] && echo -ne '\f' >>"$TMPFILE2"
echo "PAGE: $pagenum $COPIES" >&2
fi
[[ "$EOF" ]] && break
# Is the current subrange a single page?
(( pagenum == pu )) && continue
while read -d `echo -ne '\f'` -r; do
(( pagenum++ ))
echo -ne "${REPLY}\f" >>"$TMPFILE2"
echo "PAGE: $pagenum $COPIES" >&2
(( pagenum == pu )) && break
done
# Could be that we reached EOF before page boundry
if (( pagenum < pu )); then
if [[ "$REPLY" ]]; then
(( pagenum++ ))
echo -n "${REPLY}" >>"$TMPFILE2"
echo "PAGE: $pagenum $COPIES" >&2
fi
break
fi
done
} <"$TMPFILE"
else
TMPFILE2="$TMPFILE"
pc=$(grep -co `echo -ne '\f'` "$TMPFILE2")
pc=$(( pc * $COPIES ))
echo "PAGE: $pc" >&2
fi
while [ "$COPIES" -gt 0 ]; do
# Just translate LF->CRLF at the moment, until the PPD has options added.
sed -e 's/$/'`echo -ne '\r'`'/g' "$TMPFILE2"
if [ "$SENDFF" == "True" ]
then
echo -ne \\014
fi
COPIES=$(($COPIES - 1))
done
# Cleanup
[[ "$TMPFILE" != "$TMPFILE2" ]] && rm -f "$TMPFILE2"
exit 0

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@ -1,47 +0,0 @@
*PPD-Adobe: "4.3"
*%
*% Text-only printer definition
*%
*FormatVersion: "4.3"
*FileVersion: "1.1"
*LanguageVersion: English
*LanguageEncoding: ISOLatin1
*PCFileName: "LFTOCRLF.PPD"
*Manufacturer: "Generic"
*Product: "(Generic)"
*cupsVersion: 1.0
*cupsManualCopies: True
*cupsModelNumber: 2
*cupsFilter: "text/plain 0 lftocrlf"
*ModelName: "Generic LF-to-CRLF printer"
*ShortNickName: "Generic LF-to-CRLF printer"
*NickName: "Generic LF-to-CRLF printer"
*PSVersion: "(2017.000) 0"
*LanguageLevel: "2"
*ColorDevice: False
*DefaultColorSpace: Gray
*FileSystem: False
*Throughput: "8"
*LandscapeOrientation: Plus90
*VariablePaperSize: False
*TTRasterizer: Type42
*DefaultImageableArea: Letter
*ImageableArea Letter/US Letter: "18 36 594 756"
*DefaultPaperDimension: Letter
*PaperDimension Letter/Letter: "612 792"
*OpenUI *PageSize/Media Size: PickOne
*OrderDependency: 10 AnySetup *PageSize
*DefaultPageSize: Letter
*PageSize Letter/Letter: "<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
*CloseUI: *PageSize
*OpenUI *PageRegion: PickOne
*OrderDependency: 10 AnySetup *PageRegion
*DefaultPageRegion: Letter
*PageRegion Letter/Letter: "<</PageSize[612 792]/ImagingBBox null>>setpagedevice"
*CloseUI: *PageRegion
*OpenUI *SendFF: Boolean
*DefaultSendFF: False
*SendFF True/True: ""
*SendFF False/False: ""
*CloseUI: *SendFF

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@ -11,7 +11,7 @@
Summary: OpenPrinting CUPS filters and backends
Name: cups-filters
Version: 1.20.0
Release: 32%{?dist}
Release: 29%{?dist}
# For a breakdown of the licensing, see COPYING file
# GPLv2: filters: commandto*, imagetoraster, pdftops, rasterto*,
@ -27,8 +27,6 @@ License: GPLv2 and GPLv2+ and GPLv3 and GPLv3+ and LGPLv2+ and MIT and BSD with
Url: http://www.linuxfoundation.org/collaborate/workgroups/openprinting/cups-filters
Source0: http://www.openprinting.org/download/cups-filters/cups-filters-%{version}.tar.xz
Source1: testprint
Source2: lftocrlf.ppd
Source3: lftocrlf
Patch01: cups-filters-createall.patch
Patch02: cups-filters-brftopagedbrf-install.patch
@ -65,10 +63,6 @@ Patch14: 0001-cups-browsed-Always-save-.-default-option-entries-fr.patch
Patch15: cups-browsed-renew.patch
# 1981612 - [RHEL 8] pdftopdf doesn't handle "page-range=10-2147483647" correctly
Patch16: 0001-libcupsfilters-Fix-page-range-like-10-in-pdftopdf-fi.patch
# 2185675 - Edges cropped when printing PostScript document
Patch17: gstoraster-margins.patch
# CVE-2023-24805 cups-filters: remote code execution in cups-filters, beh CUPS backend
Patch18: beh-cve2023.patch
%if %{with braille}
Recommends: %{name}-braille%{?_isa} = %{version}-%{release}
@ -239,10 +233,6 @@ The package provides filters and cups-brf backend needed for braille printing.
%patch15 -p1 -b .renew
# 1981612 - [RHEL 8] pdftopdf doesn't handle "page-range=10-2147483647" correctly
%patch16 -p1 -b .ranges
# 2185675 - Edges cropped when printing PostScript document
%patch17 -p1 -b .margins
# CVE-2023-24805 cups-filters: remote code execution in cups-filters, beh CUPS backend
%patch18 -p1 -b .cve202324805
%build
@ -283,11 +273,6 @@ make %{?_smp_mflags}
%install
make install DESTDIR=%{buildroot}
# Add textonly driver back, but as lftocrlf
# part of 2118406 - texttotext filter strips ESC causing PCL files to be printed improperly
install -p -m 0755 %{SOURCE3} %{buildroot}%{_cups_serverbin}/filter/lftocrlf
install -p -m 0644 %{SOURCE2} %{buildroot}%{_datadir}/ppd/cupsfilters/lftocrlf.ppd
# Don't ship libtool la files.
rm -f %{buildroot}%{_libdir}/lib*.la
@ -356,9 +341,6 @@ make check
%attr(0755,root,root) %{_cups_serverbin}/filter/imagetopdf
%attr(0755,root,root) %{_cups_serverbin}/filter/imagetops
%attr(0755,root,root) %{_cups_serverbin}/filter/imagetoraster
# Add textonly driver back, but as lftocrlf
# part of 2118406 - texttotext filter strips ESC causing PCL files to be printed improperly
%attr(0755,root,root) %{_cups_serverbin}/filter/lftocrlf
%attr(0755,root,root) %{_cups_serverbin}/filter/pdftopdf
%attr(0755,root,root) %{_cups_serverbin}/filter/pdftops
%attr(0755,root,root) %{_cups_serverbin}/filter/pdftoraster
@ -453,15 +435,6 @@ make check
%endif
%changelog
* Tue Aug 08 2023 Zdenek Dohnal <zdohnal@redhat.com> - 1.20.0-32
- 2118406 - texttotext filter strips ESC causing PCL files to be printed improperly
* Wed Jun 07 2023 Zdenek Dohnal <zdohnal@redhat.com> - 1.20.0-31
- CVE-2023-24805 cups-filters: remote code execution in cups-filters, beh CUPS backend
* Thu Apr 13 2023 Zdenek Dohnal <zdohnal@redhat.com> - 1.20.0-30
- 2185675 - Edges cropped when printing PostScript document
* Thu Sep 22 2022 Zdenek Dohnal <zdohnal@redhat.com> - 1.20.0-29
- 2128539 - build braille subpackage only on Fedora and CentOS Stream > 9