.gitignore

@@ -1,2 +1,2 @@
-SOURCES/sane-backends-1.0.32.tar.gz
+SOURCES/sane-backends-1.0.27.tar.gz
 SOURCES/sane.png

.sane-backends.metadata

@@ -1,2 +1,2 @@
-97b14808e1ab4bc4c38962372d13d37d9b9fb08b SOURCES/sane-backends-1.0.32.tar.gz
+579ec4d6279c7f0f02014358a7e74056672a1e43 SOURCES/sane-backends-1.0.27.tar.gz
 338783a09c91bf1cc1a3bda838a9e7568563e02e SOURCES/sane.png

SOURCES/0001-epson2-Rewrite-network-I-O.patch

@@ -0,0 +1,225 @@
+diff -up sane-backends-1.0.27/backend/epson2_net.c.epsonds-issues sane-backends-1.0.27/backend/epson2_net.c
+--- sane-backends-1.0.27/backend/epson2_net.c.epsonds-issues	2016-10-06 02:02:57.000000000 +0200
++++ sane-backends-1.0.27/backend/epson2_net.c	2020-07-28 15:04:58.385405722 +0200
+@@ -32,11 +32,12 @@
+ 
+ #include "sane/sanei_debug.h"
+ 
+-static int
++static ssize_t
+ sanei_epson_net_read_raw(Epson_Scanner *s, unsigned char *buf, ssize_t wanted,
+ 		       SANE_Status *status)
+ {
+-	int ready, read = -1;
++	int ready;
++	ssize_t read = -1;
+ 	fd_set readable;
+ 	struct timeval tv;
+ 
+@@ -62,111 +63,136 @@ sanei_epson_net_read_raw(Epson_Scanner *
+ 	return read;
+ }
+ 
+-int
+-sanei_epson_net_read(Epson_Scanner *s, unsigned char *buf, ssize_t wanted,
++static ssize_t
++sanei_epson_net_read_buf(Epson_Scanner *s, unsigned char *buf, ssize_t wanted,
+ 		       SANE_Status * status)
+ {
+-	ssize_t size;
+ 	ssize_t read = 0;
+-	unsigned char header[12];
+ 
+-	/* read from buffer, if available */
+-	if (s->netptr != s->netbuf) {
+-		DBG(23, "reading %lu from buffer at %p, %lu available\n",
+-			(u_long) wanted, s->netptr, (u_long) s->netlen);
++	DBG(23, "%s: reading up to %lu from buffer at %p, %lu available\n",
++		__func__, (u_long) wanted, s->netptr, (u_long) s->netlen);
+ 
+-		memcpy(buf, s->netptr, wanted);
+-		read = wanted;
++	if ((size_t) wanted > s->netlen) {
++		*status = SANE_STATUS_IO_ERROR;
++		wanted = s->netlen;
++	}
+ 
+-		s->netlen -= wanted;
++	memcpy(buf, s->netptr, wanted);
++	read = wanted;
+ 
+-		if (s->netlen == 0) {
+-			DBG(23, "%s: freeing %p\n", __func__, s->netbuf);
+-			free(s->netbuf);
+-			s->netbuf = s->netptr = NULL;
+-			s->netlen = 0;
+-		}
++	s->netptr += read;
++	s->netlen -= read;
+ 
+-		return read;
++	if (s->netlen == 0) {
++		DBG(23, "%s: freeing %p\n", __func__, s->netbuf);
++		free(s->netbuf);
++		s->netbuf = s->netptr = NULL;
++		s->netlen = 0;
++	}
++
++	return read;
++}
++
++ssize_t
++sanei_epson_net_read(Epson_Scanner *s, unsigned char *buf, ssize_t wanted,
++		       SANE_Status * status)
++{
++	if (wanted < 0) {
++		*status = SANE_STATUS_INVAL;
++		return 0;
++	}
++
++	size_t size;
++	ssize_t read = 0;
++	unsigned char header[12];
++
++	/* read from remainder of buffer */
++	if (s->netptr) {
++		return sanei_epson_net_read_buf(s, buf, wanted, status);
+ 	}
+ 
+ 	/* receive net header */
+-	size = sanei_epson_net_read_raw(s, header, 12, status);
+-	if (size != 12) {
++	read = sanei_epson_net_read_raw(s, header, 12, status);
++	if (read != 12) {
+ 		return 0;
+ 	}
+ 
++	/* validate header */
+ 	if (header[0] != 'I' || header[1] != 'S') {
+ 		DBG(1, "header mismatch: %02X %02x\n", header[0], header[1]);
+ 		*status = SANE_STATUS_IO_ERROR;
+ 		return 0;
+ 	}
+ 
++	/* parse payload size */
+ 	size = be32atoh(&header[6]);
+ 
+-	DBG(23, "%s: wanted = %lu, available = %lu\n", __func__,
+-		(u_long) wanted, (u_long) size);
+-
+ 	*status = SANE_STATUS_GOOD;
+ 
+-	if (size == wanted) {
+-
+-		DBG(15, "%s: full read\n", __func__);
++	if (!s->netbuf) {
++		DBG(15, "%s: direct read\n", __func__);
++		DBG(23, "%s: wanted = %lu, available = %lu\n", __func__,
++			(u_long) wanted, (u_long) size);
+ 
+-		read = sanei_epson_net_read_raw(s, buf, size, status);
+-
+-		if (s->netbuf) {
+-			free(s->netbuf);
+-			s->netbuf = NULL;
+-			s->netlen = 0;
++		if ((size_t) wanted > size) {
++			wanted = size;
+ 		}
+ 
+-		if (read < 0) {
+-			return 0;
+-		}
+-		
+-/*	} else if (wanted < size && s->netlen == size) { */
++		read = sanei_epson_net_read_raw(s, buf, wanted, status);
+ 	} else {
+-		DBG(23, "%s: partial read\n", __func__);
++		DBG(15, "%s: buffered read\n", __func__);
++		DBG(23, "%s: bufferable = %lu, available = %lu\n", __func__,
++			(u_long) s->netlen, (u_long) size);
+ 
+-		read = sanei_epson_net_read_raw(s, s->netbuf, size, status);
+-		if (read != size) {
+-			return 0;
++		if (s->netlen > size) {
++			s->netlen = size;
+ 		}
+ 
+-		s->netlen = size - wanted;
+-		s->netptr += wanted;
+-		read = wanted;
+-
+-		DBG(23, "0,4 %02x %02x\n", s->netbuf[0], s->netbuf[4]);
+-		DBG(23, "storing %lu to buffer at %p, next read at %p, %lu bytes left\n",
+-			(u_long) size, s->netbuf, s->netptr, (u_long) s->netlen);
++		/* fill buffer */
++		read = sanei_epson_net_read_raw(s, s->netbuf, s->netlen, status);
++		s->netptr = s->netbuf;
++		s->netlen = (read > 0 ? read : 0);
+ 
+-		memcpy(buf, s->netbuf, wanted);
++		/* copy wanted part */
++		read = sanei_epson_net_read_buf(s, buf, wanted, status);
+ 	}
+ 
+ 	return read;
+ }
+ 
+-
+-int
++size_t
+ sanei_epson_net_write(Epson_Scanner *s, unsigned int cmd, const unsigned char *buf,
+ 			size_t buf_size, size_t reply_len, SANE_Status *status)
+ {
+ 	unsigned char *h1, *h2, *payload;
+ 	unsigned char *packet = malloc(12 + 8 + buf_size);
+ 
+-	/* XXX check allocation failure */
++	if (!packet) {
++		*status = SANE_STATUS_NO_MEM;
++		return 0;
++	}
+ 
+ 	h1 = packet;
+ 	h2 = packet + 12;
+ 	payload = packet + 12 + 8;
+ 
+ 	if (reply_len) {
+-		s->netbuf = s->netptr = malloc(reply_len);
++		if (s->netbuf) {
++			DBG(23, "%s, freeing %p, %ld bytes unprocessed\n",
++				__func__, s->netbuf, (u_long) s->netlen);
++			free(s->netbuf);
++			s->netbuf = s->netptr = NULL;
++			s->netlen = 0;
++		}
++		s->netbuf = malloc(reply_len);
++		if (!s->netbuf) {
++			free(packet);
++			*status = SANE_STATUS_NO_MEM;
++			return 0;
++		}
+ 		s->netlen = reply_len;
+-		DBG(24, "allocated %lu bytes at %p\n",
+-			(u_long) reply_len, s->netbuf);
++		DBG(24, "%s: allocated %lu bytes at %p\n", __func__,
++			(u_long) s->netlen, s->netbuf);
+ 	}
+ 
+ 	DBG(24, "%s: cmd = %04x, buf = %p, buf_size = %lu, reply_len = %lu\n",
+diff -up sane-backends-1.0.27/backend/epson2_net.h.epsonds-issues sane-backends-1.0.27/backend/epson2_net.h
+--- sane-backends-1.0.27/backend/epson2_net.h.epsonds-issues	2016-10-06 02:02:57.000000000 +0200
++++ sane-backends-1.0.27/backend/epson2_net.h	2020-07-28 14:51:59.666593530 +0200
+@@ -4,9 +4,9 @@
+ #include <sys/types.h>
+ #include "../include/sane/sane.h"
+ 
+-extern int sanei_epson_net_read(struct Epson_Scanner *s, unsigned char *buf, ssize_t buf_size,
++extern ssize_t sanei_epson_net_read(struct Epson_Scanner *s, unsigned char *buf, ssize_t buf_size,
+ 				SANE_Status *status);
+-extern int sanei_epson_net_write(struct Epson_Scanner *s, unsigned int cmd, const unsigned char *buf,
++extern size_t sanei_epson_net_write(struct Epson_Scanner *s, unsigned int cmd, const unsigned char *buf,
+ 				size_t buf_size, size_t reply_len,
+ 				SANE_Status *status);
+ extern SANE_Status sanei_epson_net_lock(struct Epson_Scanner *s);

SOURCES/0001-epsonds-Prevent-possible-buffer-overflow-when-readin.patch

@@ -0,0 +1,72 @@
+From b9b0173409df73e235da2aa0dae5edd21fb55967 Mon Sep 17 00:00:00 2001
+From: Olaf Meeuwissen <paddy-hack@member.fsf.org>
+Date: Mon, 27 Apr 2020 18:48:29 +0900
+Subject: [PATCH] epsonds: Prevent possible buffer overflow when reading image
+ data
+
+Addresses GHSL-2020-084, re #279.
+---
+ backend/epsonds-cmd.c |  5 +++++
+ backend/epsonds.c     | 12 +++++++-----
+ backend/epsonds.h     |  1 +
+ 3 files changed, 13 insertions(+), 5 deletions(-)
+
+diff --git a/backend/epsonds-cmd.c b/backend/epsonds-cmd.c
+index 9a4db3080..c182aa51a 100644
+--- a/backend/epsonds-cmd.c
++++ b/backend/epsonds-cmd.c
+@@ -876,6 +876,11 @@ esci2_img(struct epsonds_scanner *s, SANE_Int *length)
+ 		return parse_status;
+ 	}
+ 
++	/* more data than was accounted for in s->buf */
++	if (more > s->bsz) {
++		return SANE_STATUS_IO_ERROR;
++	}
++
+ 	/* ALWAYS read image data */
+ 	if (s->hw->connection == SANE_EPSONDS_NET) {
+ 		epsonds_net_request_read(s, more);
+diff --git a/backend/epsonds.c b/backend/epsonds.c
+index ff5d68106..fb9694a88 100644
+--- a/backend/epsonds.c
++++ b/backend/epsonds.c
+@@ -1230,16 +1230,18 @@ sane_start(SANE_Handle handle)
+ 	if (s->line_buffer == NULL)
+ 		return SANE_STATUS_NO_MEM;
+ 
+-	/* ring buffer for front page, twice bsz */
++	/* transfer buffer size, bsz */
+ 	/* XXX read value from scanner */
+-	status = eds_ring_init(&s->front, (65536 * 4) * 2);
++	s->bsz = (65536 * 4);
++
++	/* ring buffer for front page */
++	status = eds_ring_init(&s->front, s->bsz * 2);
+ 	if (status != SANE_STATUS_GOOD) {
+ 		return status;
+ 	}
+ 
+-	/* transfer buffer, bsz */
+-	/* XXX read value from scanner */
+-	s->buf = realloc(s->buf, 65536 * 4);
++	/* transfer buffer */
++	s->buf = realloc(s->buf, s->bsz);
+ 	if (s->buf == NULL)
+ 		return SANE_STATUS_NO_MEM;
+ 
+diff --git a/backend/epsonds.h b/backend/epsonds.h
+index 0427ef3b4..401b0f32c 100644
+--- a/backend/epsonds.h
++++ b/backend/epsonds.h
+@@ -160,6 +160,7 @@ struct epsonds_scanner
+ 	Option_Value val[NUM_OPTIONS];
+ 	SANE_Parameters params;
+ 
++	size_t bsz;		/* transfer buffer size */
+ 	SANE_Byte *buf, *line_buffer;
+ 	ring_buffer *current, front, back;
+ 
+-- 
+2.25.4
+

SOURCES/66-saned.rules

@@ -1,2 +1,2 @@
 # udev rule for saned (SANE scanning daemon) to be able to write on usb port
-ENV{libsane_matched}=="yes", ENV{DEVNAME}!="", RUN+="/usr/bin/setfacl -m g:saned:rw $env{DEVNAME}"
+ENV{libsane_matched}=="yes", RUN+="/usr/bin/setfacl -m g:saned:rw $env{DEVNAME}"

SOURCES/sane-backends-1.0.23-soname.patch

@@ -1,18 +1,36 @@
-diff -up sane-backends-1.0.28/ltmain.sh.soname sane-backends-1.0.28/ltmain.sh
---- sane-backends-1.0.28/ltmain.sh.soname	2019-09-12 09:57:10.979802716 +0200
-+++ sane-backends-1.0.28/ltmain.sh	2019-09-12 10:27:21.719895206 +0200
-@@ -9615,23 +9615,6 @@ EOF
+From 031cd8dd376ed6537afd06ca5aec5e67f5da0489 Mon Sep 17 00:00:00 2001
+From: Nils Philippsen <nils@redhat.com>
+Date: Fri, 31 Aug 2012 16:14:49 +0200
+Subject: [PATCH] patch: soname
+
+Squashed commit of the following:
+
+commit 2035ced803168210a70c4946814440764e5d0186
+Author: Nils Philippsen <nils@redhat.com>
+Date:   Fri Aug 31 16:13:51 2012 +0200
+
+    don't use the same SONAME for backend libs and main lib
+---
+ ltmain.sh | 19 -------------------
+ 1 file changed, 19 deletions(-)
+
+diff --git a/ltmain.sh b/ltmain.sh
+index f3eb4c8..17d1508 100755
+--- a/ltmain.sh
++++ b/ltmain.sh
+@@ -8101,25 +8101,6 @@ EOF
  	  dlname=$soname
  	fi
  
+-	# Local change for sane-backends: internal name for every lib
+-	# is "libsane" not "libsane-backendname". So linking to each
+-	# backend is possible. Also the following test was moved to this
+-	# location.
 -	# If -module or -export-dynamic was specified, set the dlname
 -	if test "$module" = yes || test "$export_dynamic" = yes; then
 -	  # On all known operating systems, these are identical.
 -	  dlname="$soname"
 -	fi
--
--	# On sane-backends the internal name for every lib is "libsane"
--	# not "libsane-backendname" so that linking to each backend is possible.
 -	case $host in
 -	  *mingw*)
 -	    ;;
@@ -21,7 +39,11 @@ diff -up sane-backends-1.0.28/ltmain.sh.soname sane-backends-1.0.28/ltmain.sh
 -	  *)
 -	    soname=`echo $soname | sed -e "s/libsane-[A-Za-z_0-9]*/libsane/g"`
 -	esac
+-	# End of local change
 -
- 	lib=$output_objdir/$realname
+ 	lib="$output_objdir/$realname"
  	linknames=
  	for link
+-- 
+1.7.11.4
+

SOURCES/sane-backends-canon-lide-100.patch

@@ -0,0 +1,17 @@
+diff -up sane-backends-1.0.27/backend/genesys.c.canon-lide-100 sane-backends-1.0.27/backend/genesys.c
+--- sane-backends-1.0.27/backend/genesys.c.canon-lide-100	2018-02-01 10:37:26.160044539 +0100
++++ sane-backends-1.0.27/backend/genesys.c	2018-02-01 10:45:44.616653277 +0100
+@@ -2070,11 +2070,9 @@ genesys_white_shading_calibration (Genes
+   dev->model->cmd_set->set_lamp_power (dev, dev->calib_reg, SANE_TRUE);
+   dev->model->cmd_set->set_motor_power (dev->calib_reg, motor);
+ 
+-  /* if needed, go back before doin next scan, by using rewind, registers and
+-   * slopes table are kept intact from previous scan */
+-  if (dev->model->flags & GENESYS_FLAG_SHADING_REPARK && dev->model->cmd_set->rewind)
++  if (dev->model->flags & GENESYS_FLAG_SHADING_REPARK)
+     {
+-      status = dev->model->cmd_set->rewind (dev);
++      status = dev->model->cmd_set->slow_back_home (dev, SANE_TRUE);
+     }
+ 
+   status =

SOURCES/sane-backends-revert-samsung-patch.patch

@@ -0,0 +1,406 @@
+From 9b13d4c18b2424eaed02b72a928e9607921ec265 Mon Sep 17 00:00:00 2001
+From: Bernard Cafarelli <bernard.cafarelli@gmail.com>
+Date: Tue, 17 Apr 2018 22:43:15 +0200
+Subject: [PATCH] Revert "Color scanning for Samsung models, which support JPEG
+ Lossy compression."
+
+This reverts commit 926bfade544de4a4fd5f1a8082b85a97e2443770, leaving
+the new IDs in.
+As tracked in #315876, this breaks scanning with multiple Samsung scanners
+
+Conflicts:
+	backend/xerox_mfp.c
+	backend/xerox_mfp.h
+	doc/descriptions/xerox_mfp.desc
+---
+ backend/Makefile.am             |   2 +-
+ backend/Makefile.in             |   7 +-
+ backend/xerox_mfp.c             | 193 +-------------------------------
+ backend/xerox_mfp.h             |   5 -
+ doc/descriptions/xerox_mfp.desc |  10 +-
+ 5 files changed, 14 insertions(+), 203 deletions(-)
+
+diff --git a/backend/Makefile.am b/backend/Makefile.am
+index 18695a4a..3225b133 100644
+--- a/backend/Makefile.am
++++ b/backend/Makefile.am
+@@ -1086,7 +1086,7 @@ libxerox_mfp_la_CPPFLAGS = $(AM_CPPFLAGS) -DBACKEND_NAME=xerox_mfp
+ nodist_libsane_xerox_mfp_la_SOURCES = xerox_mfp-s.c
+ libsane_xerox_mfp_la_CPPFLAGS = $(AM_CPPFLAGS) -DBACKEND_NAME=xerox_mfp
+ libsane_xerox_mfp_la_LDFLAGS = $(DIST_SANELIBS_LDFLAGS)
+-libsane_xerox_mfp_la_LIBADD = $(COMMON_LIBS) libxerox_mfp.la ../sanei/sanei_init_debug.lo ../sanei/sanei_constrain_value.lo ../sanei/sanei_config.lo  sane_strstatus.lo @SANEI_SANEI_JPEG_LO@ $(JPEG_LIBS) ../sanei/sanei_usb.lo ../sanei/sanei_tcp.lo $(MATH_LIB) $(SOCKET_LIBS) $(USB_LIBS) $(RESMGR_LIBS)
++libsane_xerox_mfp_la_LIBADD = $(COMMON_LIBS) libxerox_mfp.la ../sanei/sanei_init_debug.lo ../sanei/sanei_constrain_value.lo ../sanei/sanei_config.lo  sane_strstatus.lo ../sanei/sanei_usb.lo ../sanei/sanei_tcp.lo $(MATH_LIB) $(SOCKET_LIBS) $(USB_LIBS) $(RESMGR_LIBS)
+ EXTRA_DIST += xerox_mfp.conf.in
+ 
+ libdll_preload_la_SOURCES =  dll.c
+diff --git a/backend/Makefile.in b/backend/Makefile.in
+index d1dca4a2..2643bb77 100644
+--- a/backend/Makefile.in
++++ b/backend/Makefile.in
+@@ -1430,10 +1430,9 @@ libsane_v4l_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
+ libsane_xerox_mfp_la_DEPENDENCIES = $(COMMON_LIBS) libxerox_mfp.la \
+ 	../sanei/sanei_init_debug.lo ../sanei/sanei_constrain_value.lo \
+ 	../sanei/sanei_config.lo sane_strstatus.lo \
+-	$(am__DEPENDENCIES_1) ../sanei/sanei_usb.lo \
+-	../sanei/sanei_tcp.lo $(am__DEPENDENCIES_1) \
++	../sanei/sanei_usb.lo ../sanei/sanei_tcp.lo \
+ 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
+-	$(am__DEPENDENCIES_1)
++	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
+ nodist_libsane_xerox_mfp_la_OBJECTS =  \
+ 	libsane_xerox_mfp_la-xerox_mfp-s.lo
+ libsane_xerox_mfp_la_OBJECTS = $(nodist_libsane_xerox_mfp_la_OBJECTS)
+@@ -2754,7 +2753,7 @@ libxerox_mfp_la_CPPFLAGS = $(AM_CPPFLAGS) -DBACKEND_NAME=xerox_mfp
+ nodist_libsane_xerox_mfp_la_SOURCES = xerox_mfp-s.c
+ libsane_xerox_mfp_la_CPPFLAGS = $(AM_CPPFLAGS) -DBACKEND_NAME=xerox_mfp
+ libsane_xerox_mfp_la_LDFLAGS = $(DIST_SANELIBS_LDFLAGS)
+-libsane_xerox_mfp_la_LIBADD = $(COMMON_LIBS) libxerox_mfp.la ../sanei/sanei_init_debug.lo ../sanei/sanei_constrain_value.lo ../sanei/sanei_config.lo  sane_strstatus.lo @SANEI_SANEI_JPEG_LO@ $(JPEG_LIBS) ../sanei/sanei_usb.lo ../sanei/sanei_tcp.lo $(MATH_LIB) $(SOCKET_LIBS) $(USB_LIBS) $(RESMGR_LIBS)
++libsane_xerox_mfp_la_LIBADD = $(COMMON_LIBS) libxerox_mfp.la ../sanei/sanei_init_debug.lo ../sanei/sanei_constrain_value.lo ../sanei/sanei_config.lo  sane_strstatus.lo ../sanei/sanei_usb.lo ../sanei/sanei_tcp.lo $(MATH_LIB) $(SOCKET_LIBS) $(USB_LIBS) $(RESMGR_LIBS)
+ libdll_preload_la_SOURCES = dll.c
+ libdll_preload_la_CPPFLAGS = $(AM_CPPFLAGS) -DBACKEND_NAME=dll -DENABLE_PRELOAD
+ libdll_la_SOURCES = dll.c
+diff --git a/backend/xerox_mfp.c b/backend/xerox_mfp.c
+index 8b8c8956..d37a6237 100644
+--- a/backend/xerox_mfp.c
++++ b/backend/xerox_mfp.c
+@@ -33,9 +33,6 @@
+ #include "../include/sane/sanei_usb.h"
+ #include "../include/sane/sanei_config.h"
+ #include "../include/sane/sanei_backend.h"
+-#ifdef HAVE_LIBJPEG
+-#include <jpeglib.h>
+-#endif
+ #include "xerox_mfp.h"
+ 
+ #define BACKEND_BUILD 13
+@@ -93,128 +90,6 @@ static char *str_cmd(int cmd)
+ }
+ 
+ #define MAX_DUMP 70
+-const char *encTmpFileName = "/tmp/stmp_enc.tmp";
+-
+-static int decompress(struct device __sane_unused__ *dev,
+-                      const char __sane_unused__ *infilename)
+-{
+-#ifdef HAVE_LIBJPEG
+-    int rc;
+-    int row_stride, width, height, pixel_size;
+-    struct jpeg_decompress_struct cinfo;
+-    struct jpeg_error_mgr jerr;
+-    unsigned long bmp_size = 0;
+-    FILE *pInfile = NULL;
+-    JSAMPARRAY buffer;
+-
+-    if ((pInfile = fopen(infilename, "rb")) == NULL) {
+-        fprintf(stderr, "can't open %s\n", infilename);
+-        return -1;
+-    }
+-
+-    cinfo.err = jpeg_std_error(&jerr);
+-
+-    jpeg_create_decompress(&cinfo);
+-
+-    jpeg_stdio_src(&cinfo, pInfile);
+-
+-    rc = jpeg_read_header(&cinfo, TRUE);
+-    if (rc != 1) {
+-        jpeg_destroy_decompress(&cinfo);
+-        fclose(pInfile);
+-        return -1;
+-    }
+-
+-    jpeg_start_decompress(&cinfo);
+-
+-    width = cinfo.output_width;
+-    height = cinfo.output_height;
+-    pixel_size = cinfo.output_components;
+-    bmp_size = width * height * pixel_size;
+-    dev->decDataSize = bmp_size;
+-
+-    row_stride = width * pixel_size;
+-
+-    buffer = (*cinfo.mem->alloc_sarray)
+-             ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1);
+-
+-    while (cinfo.output_scanline < cinfo.output_height) {
+-        buffer[0] = dev->decData + \
+-                    (cinfo.output_scanline) * row_stride;
+-        jpeg_read_scanlines(&cinfo, buffer, 1);
+-    }
+-    jpeg_finish_decompress(&cinfo);
+-    jpeg_destroy_decompress(&cinfo);
+-    fclose(pInfile);
+-    return 0;
+-#else
+-    return -1;
+-#endif
+-}
+-
+-static int copy_decompress_data(struct device *dev, unsigned char *pDest, int maxlen, int *destLen)
+-{
+-    int data_size = 0;
+-    size_t result = 0, retVal = 0;
+-
+-
+-    if (0 == dev->decDataSize) {
+-        *destLen = 0;
+-        return retVal;
+-    }
+-    data_size = dev->decDataSize - dev->currentDecDataIndex;
+-    if (data_size > maxlen) {
+-        data_size = maxlen;
+-    }
+-    memcpy(pDest, dev->decData+dev->currentDecDataIndex, data_size);
+-    result = data_size;
+-    *destLen = result;
+-    dev->currentDecDataIndex += result;
+-    retVal = result;
+-
+-    if (dev->decDataSize == dev->currentDecDataIndex) {
+-        dev->currentDecDataIndex = 0;
+-        dev->decDataSize = 0;
+-    }
+-
+-    return retVal;
+-}
+-
+-static int decompress_tempfile(struct device *dev)
+-{
+-    decompress(dev, encTmpFileName);
+-    remove(encTmpFileName);
+-    return 0;
+-}
+-
+-static int dump_to_tmp_file(struct device *dev)
+-{
+-    unsigned char *pSrc = dev->data;
+-    int srcLen = dev->datalen;
+-    FILE *pInfile;
+-    if ((pInfile = fopen(encTmpFileName, "a")) == NULL) {
+-        fprintf(stderr, "can't open %s\n", encTmpFileName);
+-        return 0;
+-    }
+-
+-    fwrite(pSrc, 1, srcLen, pInfile);
+-    fclose(pInfile);
+-    return srcLen;
+-}
+-
+-static int isSupportedDevice(struct device __sane_unused__ *dev)
+-{
+-#ifdef HAVE_LIBJPEG
+-    /* Checking device which supports JPEG Lossy compression for color scanning*/
+-    if (dev->compressionTypes & (1 << 6))
+-        return 1;
+-    else
+-        return 0;
+-#else
+-    return 0;
+-#endif
+-}
+-
+ static void dbg_dump(struct device *dev)
+ {
+     int i;
+@@ -639,11 +514,9 @@ static void set_parameters(struct device *dev)
+     dev->para.pixels_per_line = dev->win_width / px_to_len;
+     dev->para.bytes_per_line = dev->para.pixels_per_line;
+ 
+-    if (!isSupportedDevice(dev)) {
+ #if BETTER_BASEDPI
+-        px_to_len = 1213.9 / dev->val[OPT_RESOLUTION].w;
++	px_to_len = 1213.9 / dev->val[OPT_RESOLUTION].w;
+ #endif
+-    }
+     dev->para.lines = dev->win_len / px_to_len;
+     if (dev->composition == MODE_LINEART ||
+         dev->composition == MODE_HALFTONE) {
+@@ -765,13 +638,6 @@ static int dev_set_window(struct device *dev)
+     cmd[0x11] = (SANE_Byte)floor(dev->win_off_y);
+     cmd[0x12] = (SANE_Byte)((dev->win_off_y - floor(dev->win_off_y)) * 100);
+     cmd[0x13] = dev->composition;
+-    /* Set to JPEG Lossy Compression, if mode is color (only for supported model)...
+-     * else go with Uncompressed (For backard compatibility with old models )*/
+-    if (dev->composition == MODE_RGB24) {
+-        if (isSupportedDevice(dev)) {
+-            cmd[0x14] = 0x6;
+-        }
+-    }
+     cmd[0x16] = dev->threshold;
+     cmd[0x17] = dev->doc_source;
+ 
+@@ -843,7 +709,6 @@ dev_inquiry(struct device *dev)
+                       dev->res[0x3e] << 8 |
+                       dev->res[0x3f];
+     dev->line_order = dev->res[0x31];
+-    dev->compressionTypes = dev->res[0x32];
+     dev->doc_loaded = (dev->res[0x35] == 0x02) &&
+                       (dev->res[0x26] & 0x03);
+ 
+@@ -942,10 +807,6 @@ dev_free(struct device *dev)
+         free(UNCONST(dev->sane.type));
+     if (dev->data)
+         free(dev->data);
+-    if (dev->decData) {
+-        free(dev->decData);
+-        dev->decData = NULL;
+-    }
+     memset(dev, 0, sizeof(*dev));
+     free(dev);
+ }
+@@ -1283,19 +1144,6 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp)
+     /* if there is no data to read or output from buffer */
+     if (!dev->blocklen && dev->datalen <= PADDING_SIZE) {
+ 
+-        /* copying uncompressed data */
+-        if (dev->composition == MODE_RGB24 &&
+-            isSupportedDevice(dev) &&
+-            dev->decDataSize > 0) {
+-            int diff = dev->total_img_size - dev->total_out_size;
+-            int bufLen = (diff < maxlen) ? diff : maxlen;
+-            if (0 < diff &&
+-                0 < copy_decompress_data(dev, buf, bufLen, lenp)) {
+-                dev->total_out_size += *lenp;
+-                return SANE_STATUS_GOOD;
+-            }
+-        }
+-
+         /* and we don't need to acquire next block */
+         if (dev->final_block) {
+             int slack = dev->total_img_size - dev->total_out_size;
+@@ -1311,10 +1159,7 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp)
+                 /* this will never happen */
+                 DBG(1, "image overflow %d bytes\n", dev->total_img_size - dev->total_out_size);
+             }
+-            if (isSupportedDevice(dev) &&
+-                dev->composition == MODE_RGB24) {
+-                remove(encTmpFileName);
+-            }
++
+             /* that's all */
+             dev_stop(dev);
+             return SANE_STATUS_EOF;
+@@ -1365,18 +1210,9 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp)
+ 
+         if (buf && lenp) { /* read mode */
+             /* copy will do minimal of valid data */
+-            if (dev->para.format == SANE_FRAME_RGB && dev->line_order) {
+-                if (isSupportedDevice(dev)) {
+-                    clrlen = dump_to_tmp_file(dev);
+-                    /* decompress after reading entire block data*/
+-                    if (0 == dev->blocklen) {
+-                        decompress_tempfile(dev);
+-                    }
+-                    copy_decompress_data(dev, buf, maxlen, &olen);
+-                } else {
+-                    clrlen = copy_mix_bands_trim(dev, buf, maxlen, &olen);
+-                }
+-            } else
++            if (dev->para.format == SANE_FRAME_RGB && dev->line_order)
++				clrlen = copy_mix_bands_trim(dev, buf, maxlen, &olen);
++            else
+                 clrlen = copy_plain_trim(dev, buf, maxlen, &olen);
+ 
+             dev->datalen -= clrlen;
+@@ -1455,9 +1291,6 @@ sane_start(SANE_Handle h)
+     if (!dev->data && !(dev->data = malloc(DATASIZE)))
+         return ret_cancel(dev, SANE_STATUS_NO_MEM);
+ 
+-    if (!dev->decData && !(dev->decData = malloc(POST_DATASIZE)))
+-        return ret_cancel(dev, SANE_STATUS_NO_MEM);
+-
+     if (!dev_acquire(dev))
+         return dev->state;
+ 
+@@ -1479,22 +1312,6 @@ sane_start(SANE_Handle h)
+ 
+     dev->total_img_size = dev->para.bytes_per_line * dev->para.lines;
+ 
+-    if (isSupportedDevice(dev) &&
+-        dev->composition == MODE_RGB24) {
+-	int fd;
+-        remove(encTmpFileName);
+-
+-	/* Precreate temporary file in exclusive mode. */
+-	fd = open(encTmpFileName, O_CREAT|O_EXCL, 0600);
+-	if (fd == -1) {
+-	    DBG(3, "%s: %p, can't create temporary file %s: %s\n", __func__,
+-		(void *)dev, encTmpFileName, strerror(errno));
+-	    return ret_cancel(dev, SANE_STATUS_ACCESS_DENIED);
+-	}
+-	close(fd);
+-    }
+-    dev->currentDecDataIndex = 0;
+-
+     return SANE_STATUS_GOOD;
+ }
+ 
+diff --git a/backend/xerox_mfp.h b/backend/xerox_mfp.h
+index 3d93f06d..ea89dda2 100644
+--- a/backend/xerox_mfp.h
++++ b/backend/xerox_mfp.h
+@@ -74,10 +74,6 @@ struct device {
+ #define DATATAIL(dev) ((dev->dataoff + dev->datalen) & DATAMASK)
+ #define DATAROOM(dev) dataroom(dev)
+ 
+-#define POST_DATASIZE 0xFFFFFF
+-    SANE_Byte *decData;
+-    int decDataSize;
+-    int currentDecDataIndex;
+     /* data from CMD_INQUIRY: */
+     int resolutions;		/* supported resolution bitmask */
+     int compositions;		/* supported image compositions bitmask */
+@@ -102,7 +98,6 @@ struct device {
+     int composition;		/* MODE_ */
+     int doc_source;		/* document source */
+     int threshold;		/* brightness */
+-    int compressionTypes;
+ 
+     /* CMD_READ data. It is per block only, image could be in many blocks */
+     int blocklen;			/* image data block len (padding incl.) */
+diff --git a/doc/descriptions/xerox_mfp.desc b/doc/descriptions/xerox_mfp.desc
+index d21a6be6..67253b38 100644
+--- a/doc/descriptions/xerox_mfp.desc
++++ b/doc/descriptions/xerox_mfp.desc
+@@ -320,7 +320,7 @@
+ 
+ :model "SCX-3405W"
+ :interface "Ethernet"
+-:status :good
++:status :basic
+ 
+ :model "SCX-3400"
+ :interface "USB"
+@@ -335,17 +335,17 @@
+ :model "SCX-4729FD"
+ :interface "USB"
+ :usbid "0x04e8" "0x3453"
+-:status :good
++:status :basic
+ 
+ :model "CLX-6260"
+ :interface "USB"
+ :usbid "0x04e8" "0x3455"
+-:status :good
++:status :minimal
+ 
+ :model "CLX-3300 Series"
+ :interface "USB"
+ :usbid "0x04e8" "0x3456"
+-:status :good
++:status :basic
+ 
+ :model "SCX-470x"
+ :interface "USB"
+@@ -355,7 +355,7 @@
+ :model "CLX-4190"
+ :interface "USB"
+ :usbid "0x04e8" "0x345a"
+-:status :good
++:status :minimal
+ 
+ :model "SCX-4650 4x21S Series"
+ :interface "USB"
+-- 
+2.17.0
+

SOURCES/sane-backends-saned-manpage.patch

@@ -0,0 +1,28 @@
+diff -up sane-backends-1.0.27/doc/saned.man.saned-manpage sane-backends-1.0.27/doc/saned.man
+--- sane-backends-1.0.27/doc/saned.man.saned-manpage	2017-11-27 12:42:05.077326419 +0100
++++ sane-backends-1.0.27/doc/saned.man	2017-11-27 12:43:21.169769553 +0100
+@@ -223,8 +223,22 @@ installed on the system. this is the pre
+ Saned can be used wih systemd without the systemd integration 
+ compiled in, but then logging of debug information is not supported. 
+ 
+-The systemd configuration is different for the 2 options, so
+-both are described below.
++The systemd configuration is different for the 2 options, but you need
++to create unit files in both options and then run as root:
++.PP
++.RS
++systemctl start saned.socket
++.RE
++.PP
++to start saned. If you want to have saned.socket running after startup, run as
++root: 
++.PP
++.RS
++systemctl enable saned.socket
++.RE
++.PP
++
++The systemd configuration of both options is described below.
+ .SH Systemd configuration for saned with systemd support compiled in
+ for the systemd configuration we need to add 2 configuration files in
+ .I /etc/systemd/system.

SOURCES/sane-backends.sysusers

@@ -1 +0,0 @@
-u saned - "SANE scanner daemon user" /usr/share/sane /sbin/nologin

SOURCES/sane-epson2-disable-focus.patch

@@ -1,36 +0,0 @@
-diff --git a/backend/epson2-ops.c b/backend/epson2-ops.c
-index 83a0169..573ebcf 100644
---- a/backend/epson2-ops.c
-+++ b/backend/epson2-ops.c
-@@ -291,14 +291,14 @@ e2_dev_post_init(struct Epson_Device *dev)
- 	dev->need_reset_on_source_change = SANE_FALSE;
- 
- 	if (e2_dev_model(dev, "ES-9000H") || e2_dev_model(dev, "GT-30000")) {
--		dev->cmd->set_focus_position = 0;
- 		dev->cmd->feed = 0x19;
-+		dev->focusSupport = SANE_FALSE;
- 	}
- 
- 	if (e2_dev_model(dev, "GT-8200") || e2_dev_model(dev, "Perfection1650")
- 	    || e2_dev_model(dev, "Perfection1640") || e2_dev_model(dev, "GT-8700")) {
- 		dev->cmd->feed = 0;
--		dev->cmd->set_focus_position = 0;
-+		dev->focusSupport = SANE_FALSE;
- 		dev->need_reset_on_source_change = SANE_TRUE;
- 	}
- 
-@@ -825,12 +825,12 @@ e2_discover_capabilities(Epson_Scanner *s)
- 
- 	if (esci_request_focus_position(s, &s->currentFocusPosition) ==
- 	    SANE_STATUS_GOOD) {
--		DBG(1, "setting focus is supported, current focus: %u\n", s->currentFocusPosition);
-+		DBG(1, "getting focus is supported, current focus: %u\n", s->currentFocusPosition);
- 		dev->focusSupport = SANE_TRUE;
- 		s->opt[OPT_FOCUS_POS].cap &= ~SANE_CAP_INACTIVE;
- 		s->val[OPT_FOCUS_POS].w = s->currentFocusPosition;
- 	} else {
--		DBG(1, "setting focus is not supported\n");
-+		DBG(1, "getting focus is not supported\n");
- 		dev->focusSupport = SANE_FALSE;
- 		s->opt[OPT_FOCUS_POS].cap |= SANE_CAP_INACTIVE;
- 		s->val[OPT_FOCUS_POS].w = FOCUS_ON_GLASS;	/* just in case */

SPECS/sane-backends.spec

@@ -1,33 +1,50 @@
 # let -devel require drivers to make them available as multilib
 %global needs_multilib_quirk 1
 
+%if !0%{?fedora}%{?rhel} || 0%{?fedora} >= 16 || 0%{?rhel} >= 7
 %global _hardened_build 1
+%endif
+
+%if !0%{?fedora}%{?rhel} || 0%{?fedora} >= 17 || 0%{?rhel} >= 7
+%global udevdir %{_prefix}/lib/udev
+%else
+%global udevdir /lib/udev
+%endif
+%global udevrulesdir %{udevdir}/rules.d
+%global udevhwdbdir %{udevdir}/hwdb.d
 
+%if !0%{?fedora}%{?rhel} || 0%{?fedora} >= 18 || 0%{?rhel} >= 7
 %global libusb1 1
+%else
+%global libusb1 0
+%endif
 
 %global __provides_exclude_from ^%{_libdir}/sane/.*\.so.*$
 %global __requires_exclude ^libsane-.*\.so\.[0-9]*(\(\).*)?+$
 
+%if ! 0%{?fedora}%{?rhel} || 0%{?fedora} >= 20 || 0%{?rhel} >= 8
 %global _maindocdir %{_docdir}/%{name}
 %global _docdocdir %{_docdir}/%{name}-doc
+%else
+%global _maindocdir %{_docdir}/%{name}-%{version}
+%global _docdocdir %{_docdir}/%{name}-doc-%{version}
+%endif
 
 Summary: Scanner access software
 Name: sane-backends
-Version: 1.0.32
-Release: 7%{?dist}
+Version: 1.0.27
+Release: 22%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
 License: GPLv2+ and GPLv2+ with exceptions and Public Domain and IJG and LGPLv2+ and MIT
-# GitLab Download URLs are amazing. But the source code link has different name and doesnt have generated autotools stuff
-Source0: https://gitlab.com/sane-project/backends/uploads/104f09c07d35519cc8e72e604f11643f/%{name}-%{version}.tar.gz
-
+# Alioth Download URLs are amazing.
+Source0: https://gitlab.com/sane-project/backends/uploads/a3ba9fff29253a94e84074917bff581a/%{name}-%{version}.tar.gz
 Source1: sane.png
 Source2: saned.socket
 Source3: saned@.service.in
 Source4: README.Fedora
 Source5: 66-saned.rules
-Source6: sane-backends.sysusers
 
 # Fedora-specific, probably not generally applicable:
 Patch0: sane-backends-1.0.25-udev.patch
@@ -36,49 +53,50 @@ Patch0: sane-backends-1.0.25-udev.patch
 Patch1: sane-backends-1.0.23-soname.patch
 # Fedora-specific (for now): make installed sane-config multi-lib aware again
 Patch2: sane-backends-1.0.23-sane-config-multilib.patch
-# 1934308 - Several Epson devices cannot scan because they fail to set focus
-Patch3: sane-epson2-disable-focus.patch
+# saned manpage incomplete and exists when saned is not installed (#1515762)
+Patch3: sane-backends-saned-manpage.patch
+# Black vertical band in color and gray images with Canon LIDE 100 scanner (bug #1540370)
+Patch4: sane-backends-canon-lide-100.patch
+# Revert samsung patch from upstream (upstream tracker https://alioth.debian.org/tracker/index.php?func=detail&aid=315876&group_id=30186&atid=410366)
+Patch5: sane-backends-revert-samsung-patch.patch
+# 1852468, 1852467, 1852466, 1852465 - prevent buffer overflow in esci2_img
+Patch6: 0001-epsonds-Prevent-possible-buffer-overflow-when-readin.patch
+# 1852663, 1848097 - NULL pointer dereference in sanei_epson_net_read function
+Patch7: 0001-epson2-Rewrite-network-I-O.patch
 
 URL: http://www.sane-project.org
 
-BuildRequires: gettext
 # gcc is no longer in buildroot by default
 BuildRequires: gcc
-# genesys backend is not written in C++, so it is needed as buildrequire
-BuildRequires: gcc-c++
-BuildRequires: gphoto2-devel
+
 BuildRequires: %{_bindir}/latex
-BuildRequires: libieee1284-devel
-BuildRequires: libjpeg-devel
-BuildRequires: libpng-devel
-BuildRequires: libtiff-devel
 %if %libusb1
 BuildRequires: libusbx-devel
 %else
 BuildRequires: libusb-devel
 %endif
+BuildRequires: libieee1284-devel
+BuildRequires: libjpeg-devel
+BuildRequires: libpng-devel
+BuildRequires: libtiff-devel
 BuildRequires: libv4l-devel
-# uses make
-BuildRequires: make
-# pixma backend generates header files during build via python script
-BuildRequires: python3
+BuildRequires: gettext
+BuildRequires: gphoto2-devel
 BuildRequires: systemd-devel
 BuildRequires: systemd
-# needed by macros in rpm scriptlets
-BuildRequires: systemd-rpm-macros
-
 Requires: libpng
-%if 0%{?fedora} >= 32 || 0%{?rhel} > 8
-Requires: sane-airscan
-%endif
-Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: systemd >= 196
 Requires: systemd-udev >= 196
+Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+# Don't drag around obsoletes forever
+%if ! (0%{?fedora} >= 27 || 0%{?rhel} >= 8)
+Obsoletes: sane-backends < 1.0.25-3
+Conflicts: sane-backends < 1.0.25-3
+%endif
 
-# workaround for Brother scanners, which drivers are built with old libnsl
-# it is ignored by DNF, but it seems GUI installation apps should offer it
-# if it is not installed, it leads to crashes like #1778425
-Suggests: libnsl
+# fix for 1852668, 1852667, 1852666, 1852665 - autodiscovery is not supported in epsonds
+# backend, so disable it during post scriptlet (grep and sed are needed for the scriptlet)
+Requires: grep, sed
 
 %description
 Scanner Access Now Easy (SANE) is a universal scanner interface.  The
@@ -90,6 +108,10 @@ hand-held scanner, video and still cameras, frame-grabbers, etc.).
 Summary: SANE backends documentation
 BuildArch: noarch
 # Don't drag around obsoletes forever
+%if 0%{?fedora}%{?rhel} && (0%{?fedora} < 25 || 0%{?rhel} <= 8)
+Obsoletes: sane-backends < 1.0.23-10
+Conflicts: sane-backends < 1.0.23-10
+%endif
 
 %description doc
 This package contains documentation for SANE backends.
@@ -105,21 +127,21 @@ want to access scanners.
 
 %package devel
 Summary: SANE development toolkit
-Requires: libieee1284-devel
-Requires: libjpeg-devel
-Requires: libtiff-devel
+Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
+Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+%if %needs_multilib_quirk
+Requires: sane-backends-drivers-scanners%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+Requires: sane-backends-drivers-cameras%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+%endif
 %if %libusb1
 Requires: libusbx-devel
 %else
 Requires: libusb-devel
 %endif
+Requires: libieee1284-devel
+Requires: libjpeg-devel
+Requires: libtiff-devel
 Requires: pkgconfig
-Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
-%if %needs_multilib_quirk
-Requires: sane-backends-drivers-scanners%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-Requires: sane-backends-drivers-cameras%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-%endif
-Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
 
 %description devel
 This package contains libraries and header files for writing Scanner Access Now
@@ -127,10 +149,15 @@ Easy (SANE) modules.
 
 %package drivers-scanners
 Summary: SANE backend drivers for scanners
-# pixma backend now requires libxml2
-BuildRequires: libxml2-devel
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+# Don't drag around obsoletes forever
+%if 0%{?rhel} && 0%{?rhel} < 8
+Obsoletes: sane-backends < 1.0.22-4
+Obsoletes: sane-backends-libs < 1.0.22-4
+Conflicts: sane-backends < 1.0.22-4
+Conflicts: sane-backends-libs < 1.0.22-4
+%endif
 
 %description drivers-scanners
 This package contains backend drivers to access scanner hardware through SANE.
@@ -139,6 +166,13 @@ This package contains backend drivers to access scanner hardware through SANE.
 Summary: Scanner backend drivers for digital cameras
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+# Don't drag around obsoletes forever
+%if 0%{?rhel} && 0%{?rhel} < 8
+Obsoletes: sane-backends-libs-gphoto2 < 1.0.22-4
+Conflicts: sane-backends-libs-gphoto2 < 1.0.22-4
+Provides: sane-libs-gphoto2 = %{?epoch:%{epoch}:}%{version}-%{release}
+Provides: sane-libs-gphoto2%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+%endif
 
 %description drivers-cameras
 This package contains backend drivers to access digital cameras through SANE.
@@ -147,6 +181,13 @@ This package contains backend drivers to access digital cameras through SANE.
 Summary: Scanner network daemon
 Requires: sane-backends = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+Requires(pre): shadow-utils
+%{?systemd_requires}
+# Split off saned from 1.0.25-3 on, don't drag around obsoletes forever
+%if ! (0%{?fedora} >= 27 || 0%{?rhel} >= 8)
+Obsoletes: sane-backends < 1.0.25-3
+Conflicts: sane-backends < 1.0.25-3
+%endif
 
 %description daemon
 This package contains saned which is the daemon that allows remote clients to
@@ -158,7 +199,11 @@ access image acquisition devices available on the local host.
 %patch0 -p1 -b .udev
 %patch1 -p1 -b .soname
 %patch2 -p1 -b .sane-config-multilib
-%patch3 -p1 -b .disable-focus
+%patch3 -p1 -b .saned-manpage
+%patch4 -p1 -b .canon-lide-100
+%patch5 -p1 -b .revert-samsung-patch
+%patch6 -p1 -b .prevent-buffer-overflow
+%patch7 -p1 -b .rework-epsonds-io
 
 %build
 CFLAGS="%optflags -fno-strict-aliasing"
@@ -177,7 +222,7 @@ LDFLAGS="-pie"
     --with-usb \
 %endif
     --enable-pthread
-%make_build
+make %{?_smp_mflags}
 
 # Write udev/hwdb files
 _topdir="$PWD"
@@ -188,9 +233,7 @@ pushd tools
 popd
 
 %install
-%make_install
-
-install -p -D -m 0644 %{SOURCE6} %{buildroot}%{_sysusersdir}/sane-backends.conf
+make DESTDIR="%{buildroot}" install
 
 mkdir -p %{buildroot}%{_datadir}/pixmaps
 install -m 644 %{SOURCE1} %{buildroot}%{_datadir}/pixmaps
@@ -199,11 +242,11 @@ rm -f %{buildroot}%{_mandir}/man1/gamma4scanimage.1*
 rm -f %{buildroot}%{_libdir}/sane/*.a %{buildroot}%{_libdir}/*.a
 rm -f %{buildroot}%{_libdir}/libsane*.la %{buildroot}%{_libdir}/sane/*.la
 
-mkdir -p %{buildroot}%{_udevrulesdir}
-mkdir -p %{buildroot}%{_udevhwdbdir}
-install -m 0644 tools/udev/sane-backends.rules %{buildroot}%{_udevrulesdir}/65-sane-backends.rules
-install -m 0644 tools/udev/sane-backends.hwdb %{buildroot}%{_udevhwdbdir}/20-sane-backends.hwdb
-install -m 0644 %{SOURCE5} %{buildroot}%{_udevrulesdir}/66-saned.rules
+mkdir -p %{buildroot}%{udevrulesdir}
+mkdir -p %{buildroot}%{udevhwdbdir}
+install -m 0644 tools/udev/sane-backends.rules %{buildroot}%{udevrulesdir}/65-sane-backends.rules
+install -m 0644 tools/udev/sane-backends.hwdb %{buildroot}%{udevhwdbdir}/20-sane-backends.hwdb
+install -m 0644 %{SOURCE5} %{buildroot}%{udevrulesdir}/66-saned.rules
 
 mkdir -p %{buildroot}%{_libdir}/pkgconfig
 install -m 0644 tools/sane-backends.pc %{buildroot}%{_libdir}/pkgconfig/
@@ -235,10 +278,6 @@ install -m 644 %{SOURCE2} %{buildroot}%{_unitdir}
 sed 's|@CONFIGDIR@|%{_sysconfdir}/sane.d|g' < %{SOURCE3} > saned@.service
 install -m 644 saned@.service %{buildroot}%{_unitdir}
 
-%ifarch armv7hl
-rm -f %{buildroot}%{_libdir}/sane/libsane-qcam.so
-%endif
-
 %find_lang %name
 
 %post
@@ -258,7 +297,11 @@ udevadm hwdb --update >/dev/null 2>&1 || :
 %ldconfig_scriptlets libs
 
 %pre daemon
-%sysusers_create_compat %{SOURCE6}
+getent group saned >/dev/null || groupadd -r saned
+getent passwd saned >/dev/null || \
+    useradd -r -g saned -d %{_datadir}/sane -s /sbin/nologin \
+		-c "SANE scanner daemon user" saned
+exit 0
 
 %post daemon
 %systemd_post saned.socket
@@ -267,7 +310,7 @@ udevadm hwdb --update >/dev/null 2>&1 || :
 %systemd_preun saned.socket
 
 %postun daemon
-%systemd_postun_with_restart saned.socket
+%systemd_postun saned.socket
 
 %files -f %{name}.lang
 %dir %{_maindocdir}
@@ -281,8 +324,8 @@ udevadm hwdb --update >/dev/null 2>&1 || :
 %dir /etc/sane.d
 %dir /etc/sane.d/dll.d
 %config(noreplace) /etc/sane.d/*.conf
-%{_udevrulesdir}/65-sane-backends.rules
-%{_udevhwdbdir}/20-sane-backends.hwdb
+%{udevrulesdir}/65-sane-backends.rules
+%{udevhwdbdir}/20-sane-backends.hwdb
 %{_datadir}/pixmaps/sane.png
 
 %{_bindir}/sane-find-scanner
@@ -301,7 +344,7 @@ udevadm hwdb --update >/dev/null 2>&1 || :
 
 %files libs
 %{_libdir}/libsane.so.1
-%{_libdir}/libsane.so.1.0.32
+%{_libdir}/libsane.so.1.0.27
 
 %files devel
 %{_bindir}/sane-config
@@ -311,252 +354,44 @@ udevadm hwdb --update >/dev/null 2>&1 || :
 %{_libdir}/pkgconfig/sane-backends.pc
 
 %files drivers-scanners
-# we need to specify all .so files for available backends because something like
-# #1761145 can happen - genesys did not compile because of lack gcc-c++ in buildroot
-# and configure printed only warning. So now we can figure out missing backend support
-# during build
-%{_libdir}/sane/libsane-abaton.so
-%{_libdir}/sane/libsane-agfafocus.so
-%{_libdir}/sane/libsane-apple.so
-%{_libdir}/sane/libsane-artec.so
-%{_libdir}/sane/libsane-artec_eplus48u.so
-%{_libdir}/sane/libsane-as6e.so
-%{_libdir}/sane/libsane-avision.so
-%{_libdir}/sane/libsane-bh.so
-%{_libdir}/sane/libsane-canon.so
-%{_libdir}/sane/libsane-canon630u.so
-%{_libdir}/sane/libsane-canon_dr.so
-%{_libdir}/sane/libsane-canon_lide70.so
-%{_libdir}/sane/libsane-canon_pp.so
-%{_libdir}/sane/libsane-cardscan.so
-%{_libdir}/sane/libsane-coolscan.so
-%{_libdir}/sane/libsane-coolscan2.so
-%{_libdir}/sane/libsane-coolscan3.so
-%{_libdir}/sane/libsane-dc210.so
-%{_libdir}/sane/libsane-dc240.so
-%{_libdir}/sane/libsane-dc25.so
-%{_libdir}/sane/libsane-dell1600n_net.so
-%{_libdir}/sane/libsane-dll.so
-%{_libdir}/sane/libsane-dmc.so
-%{_libdir}/sane/libsane-epjitsu.so
-%{_libdir}/sane/libsane-epson.so
-%{_libdir}/sane/libsane-epson2.so
-%{_libdir}/sane/libsane-epsonds.so
-%{_libdir}/sane/libsane-fujitsu.so
-%{_libdir}/sane/libsane-genesys.so
-%{_libdir}/sane/libsane-gt68xx.so
-%{_libdir}/sane/libsane-hp.so
-%{_libdir}/sane/libsane-hp3500.so
-%{_libdir}/sane/libsane-hp3900.so
-%{_libdir}/sane/libsane-hp4200.so
-%{_libdir}/sane/libsane-hp5400.so
-%{_libdir}/sane/libsane-hp5590.so
-%{_libdir}/sane/libsane-hpljm1005.so
-%{_libdir}/sane/libsane-hpsj5s.so
-%{_libdir}/sane/libsane-hs2p.so
-%{_libdir}/sane/libsane-ibm.so
-%{_libdir}/sane/libsane-kodak.so
-%{_libdir}/sane/libsane-kodakaio.so
-%{_libdir}/sane/libsane-kvs1025.so
-%{_libdir}/sane/libsane-kvs20xx.so
-%{_libdir}/sane/libsane-kvs40xx.so
-%{_libdir}/sane/libsane-leo.so
-%{_libdir}/sane/libsane-lexmark.so
-%{_libdir}/sane/libsane-ma1509.so
-%{_libdir}/sane/libsane-magicolor.so
-%{_libdir}/sane/libsane-matsushita.so
-%{_libdir}/sane/libsane-microtek.so
-%{_libdir}/sane/libsane-microtek2.so
-%{_libdir}/sane/libsane-mustek.so
-%{_libdir}/sane/libsane-mustek_pp.so
-%{_libdir}/sane/libsane-mustek_usb.so
-%{_libdir}/sane/libsane-mustek_usb2.so
-%{_libdir}/sane/libsane-nec.so
-%{_libdir}/sane/libsane-net.so
-%{_libdir}/sane/libsane-niash.so
-%{_libdir}/sane/libsane-p5.so
-%{_libdir}/sane/libsane-pie.so
-%{_libdir}/sane/libsane-pieusb.so
-%{_libdir}/sane/libsane-pixma.so
-%{_libdir}/sane/libsane-plustek.so
-%{_libdir}/sane/libsane-plustek_pp.so
-# qcam is not on aarch64, ppc64le and s390x. SANE needs
-# ioperm, inb and outb functions or portaccess function
-# to support qcam backend. Those functions are only in
-# armv7hl (until F30), i686 and x86_64 architectures.
-# Because qcam is missing on some archs and releases,
-# I'll leave here a wildcard record
-%ifarch x86_64 i686
-%{_libdir}/sane/libsane-qcam.so
-%endif
-%{_libdir}/sane/libsane-ricoh.so
-%{_libdir}/sane/libsane-ricoh2.so
-%{_libdir}/sane/libsane-rts8891.so
-%{_libdir}/sane/libsane-s9036.so
-%{_libdir}/sane/libsane-sceptre.so
-%{_libdir}/sane/libsane-sharp.so
-%{_libdir}/sane/libsane-sm3600.so
-%{_libdir}/sane/libsane-sm3840.so
-%{_libdir}/sane/libsane-snapscan.so
-%{_libdir}/sane/libsane-sp15c.so
-%{_libdir}/sane/libsane-st400.so
-%{_libdir}/sane/libsane-stv680.so
-%{_libdir}/sane/libsane-tamarack.so
-%{_libdir}/sane/libsane-teco1.so
-%{_libdir}/sane/libsane-teco2.so
-%{_libdir}/sane/libsane-teco3.so
-%{_libdir}/sane/libsane-test.so
-%{_libdir}/sane/libsane-u12.so
-%{_libdir}/sane/libsane-umax.so
-%{_libdir}/sane/libsane-umax1220u.so
-%{_libdir}/sane/libsane-umax_pp.so
-%{_libdir}/sane/libsane-v4l.so
-%{_libdir}/sane/libsane-xerox_mfp.so
+%{_libdir}/sane/*.so
 %{_libdir}/sane/*.so.1
-%{_libdir}/sane/*.so.1.0.32
+%{_libdir}/sane/*.so.1.0.27
 
 %exclude %{_libdir}/sane/*gphoto2.so*
 
 %files drivers-cameras
 %{_libdir}/sane/libsane-gphoto2.so
 %{_libdir}/sane/libsane-gphoto2.so.1
-%{_libdir}/sane/libsane-gphoto2.so.1.0.32
+%{_libdir}/sane/libsane-gphoto2.so.1.0.27
 
 %files daemon
 %{_sbindir}/saned
 %{_mandir}/man8/saned*
-%{_sysusersdir}/sane-backends.conf
-%{_udevrulesdir}/66-saned.rules
+%{udevrulesdir}/66-saned.rules
 %{_unitdir}/saned.socket
 %{_unitdir}/saned@.service
 
 %changelog
-* Thu Jul 21 2022 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.32-7
-- 2095461 - [RFE] sane-backends use systems-sysusers
-
-* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 1.0.32-6
-- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
-  Related: rhbz#1991688
-
-* Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 1.0.32-5
-- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
-
-* Tue Mar 09 2021 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.32-4
-- 1934308 - Several Epson devices cannot scan because they fail to set focus
-
-* Tue Mar 02 2021 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 1.0.32-3
-- Rebuilt for updated systemd-rpm-macros
-  See https://pagure.io/fesco/issue/2583.
-
-* Thu Feb 18 2021 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.32-2
-- python3 is now needed for building pixma backend
-
-* Tue Feb 16 2021 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.32-1
-- 1928484 - sane-backends-1.0.32 is available
-
-* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.31-5
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
-
-* Thu Nov 05 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.31-4
-- make is no longer in buildroot by default
-
-* Fri Oct 09 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.31-3
-- 1750899 - CANOSCAN N650U scanner device not correctly detected via USB
-
-* Mon Sep 14 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.31-2
-- make the base package depend on sane-airscan instead of libsane-airscan lib
-
-* Mon Aug 24 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.31-1
-- 1.0.31, backend cannon_lide70 added
-
-* Mon Aug 03 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.30-4
-- get libsane-airscan backend as one of backends
-
-* Tue Jul 28 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.30-3
-- add a scriptlet to disable epsonds autodiscovery in case an user changed epsonds.conf
+* Wed Jul 26 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 1.0.27-22
+- Rebuilt for MSVSphere 8.8
 
-* Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 1.0.30-2
-- Use make macros
-- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+* Tue Sep 08 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-22
+- related 1852663 - needed to rebuild due infrastructure error
 
-* Tue May 19 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.30-1
-- 1.0.30
+* Thu Sep 03 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-21
+- 1852663, 1848097 - NULL pointer dereference in sanei_epson_net_read function
 
-* Mon May 11 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-8
-- 1778425 - scanimage segfaults for brother scan drivers due missing deprecated libnsl
-- spec file fixes - add link to upstream issue, correct source url
+* Wed Jul 01 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-20
+- 1852468, 1852467, 1852466, 1852465 - prevent buffer overflow in esci2_img
+- 1852668, 1852667, 1852666, 1852665 - disable autodiscovery for epsonds backend
 
-* Thu Apr 02 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-7
-- remove escl backend - will be merged into sane-airscan in the future, so stop shipping it
-  to prevent escl going into RHEL
-
-* Mon Mar 23 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-6
-- complete fix for #1807751
-
-* Mon Mar 23 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-5
-- 1807751 - [abrt] sane-backends: std::__replacement_assert(): scanimage killed by SIGABRT
-
-* Mon Feb 10 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-4
-- really fix it...
-
-* Mon Feb 10 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-3
-- typo in install phase...
-
-* Mon Feb 10 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-2
-- remove qcam from armv7hl
-
-* Mon Feb 03 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-1
-- 1.0.29
-
-* Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.28-7
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
-
-* Wed Jan 15 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.28-6
-- add buildrequires on systemd-rpm-macros
-
-* Thu Oct 31 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.28-5
-- 1761530 - apply upstream patch
-
-* Fri Oct 18 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.28-4
-- Ad 1761530 - actually apply the patch...
-
-* Thu Oct 17 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.28-3
-- qcam backend support is tricky among different Fedora releases and archs - let the wildcard cover it
-
-* Thu Oct 17 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.28-2
-- 1761145, 1761001, 1761051, 1761234 - genesys backend now needs gcc-c++, it is not built otherwise
-- 1758886 - CanoScan LiDE scanners supported by genesys backend are not detected
-- 1760916 - Samsung C460 does not have JPEG support
-- 1761530 - genesys aborts when accessing invalid vector index and built with GLIBCXX_ASSERTIONS
-- remove qcam from armvhl7 too
-
-* Mon Sep 30 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.28-1
-- 1.0.28
-
-* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.27-25
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
-
-* Thu Jul 18 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-24
-- 1730698 - add Canon CanonScan LiDE 300 support
-
-* Wed Apr 03 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-23
-- mustek backend crashed from stack smashing (upstream issue #71)
-
-* Mon Feb 04 2019 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-22
-- 1671510 - Incorrect udev rule in sane-backends
-
-* Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.27-21
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
-
-* Tue Jul 24 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-20
+* Tue Jul 24 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-19
 - corrected license
 
-* Tue Jul 24 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-19
+* Tue Jul 24 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-18
 - changed URL
 
-* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.27-18
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
-
 * Thu Apr 19 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.27-17
 - revert samsung patch