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5 changed files with 78 additions and 135 deletions

2
.gitignore vendored
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@ -1 +1 @@
SOURCES/libusb-compat-0.1.5.tar.bz2
SOURCES/libusb-compat-0.1.7.tar.bz2

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@ -1 +1 @@
062319276d913c753a4b1341036e6a2e42abccc9 SOURCES/libusb-compat-0.1.5.tar.bz2
335724bbf99369a53e7eec21e1e6b04618459575 SOURCES/libusb-compat-0.1.7.tar.bz2

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@ -1,51 +0,0 @@
From a9e8373030b39aadfc33af67443085df83e9e344 Mon Sep 17 00:00:00 2001
From: Daniel Berrange <berrange@redhat.com>
Date: Wed, 14 Aug 2013 16:00:56 +0200
Subject: [libusb-compat PATCH] Link with -znodelete to disallow unloading
Since libusb-0.1 did not have any init / exit function, code using the
libusb-0.1 API will not call libusb_exit.
Now, libgphoto uses libusb and will dlopen() and dlclose() it. Unfortunately
since there is no way to ensure libusb_close() is called, when libgphoto
dlcloses the libusb.so library, the thread from libusbx.so will not be
stopped. So a thread will remain running, executing code from a memory
region that has now been freed. Crash-tastic results ensue.
I don't see a good way to fix this from libusb or libusbx, given the need to
preserve the existing API of libusb.
If, however, we link libusb.so using -znodelete, we will prevent it from
ever being unloaded, despite the dlclose() calls. This is not ideal, but
better than allowing it to be unloaded which is a guaranteed crash.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
libusb/Makefile.am | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libusb/Makefile.am b/libusb/Makefile.am
index 33a609a..a20fdb5 100644
--- a/libusb/Makefile.am
+++ b/libusb/Makefile.am
@@ -5,5 +5,5 @@ libusb_la_SOURCES = core.c usbi.h
libusb_la_CFLAGS = -fvisibility=hidden $(AM_CFLAGS) $(LIBUSB_1_0_CFLAGS)
libusb_la_LIBADD = $(LIBUSB_1_0_LIBS)
libusb_la_LDFLAGS = -version-info $(LT_MAJOR):$(LT_REVISION):$(LT_AGE) \
- -release 0.1
+ -release 0.1 -Wl,-z -Wl,nodelete
--- libusb-compat-0.1.5.orig/libusb/Makefile.in 2013-05-21 00:40:35.000000000 +0100
+++ libusb-compat-0.1.5.orig/libusb/Makefile.in 2013-08-13 22:20:32.831532426 +0100
@@ -297,7 +297,7 @@ libusb_la_SOURCES = core.c usbi.h
libusb_la_CFLAGS = -fvisibility=hidden $(AM_CFLAGS) $(LIBUSB_1_0_CFLAGS)
libusb_la_LIBADD = $(LIBUSB_1_0_LIBS)
libusb_la_LDFLAGS = -version-info $(LT_MAJOR):$(LT_REVISION):$(LT_AGE) \
- -release 0.1
+ -release 0.1 -Wl,-z -Wl,nodelete
all: all-am
--
1.8.3.1

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@ -1,55 +0,0 @@
From eb590b4dac00a5188b93e1d6ebdd60b06f9ab3d7 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 13 Feb 2014 17:25:27 +0100
Subject: [libusb-compat PATCH 2/2] Revert "use atexit() to call libusb_exit()"
The use of atexit() breaks various users of libusb-compat,
see ie: https://bugzilla.redhat.com/show_bug.cgi?id=1003193
This reverts commit 0be16b8dd25733d242ae32b57823a9513ec21353.
Closes libusbx/libusb-compat-0.1#2
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
libusb/core.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/libusb/core.c b/libusb/core.c
index c0ccb1f..2dd1b5f 100644
--- a/libusb/core.c
+++ b/libusb/core.c
@@ -21,7 +21,6 @@
#include <config.h>
#include <errno.h>
#include <stdarg.h>
-#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -137,13 +136,6 @@ static void usbi_log(enum usbi_log_level level, const char *function,
fprintf(stream, "\n");
}
-static void _usb_finalize(void) {
- if (ctx) {
- libusb_exit(ctx);
- ctx = NULL;
- }
-}
-
API_EXPORTED void usb_init(void)
{
int r;
@@ -159,8 +151,6 @@ API_EXPORTED void usb_init(void)
/* usb_set_debug can be called before usb_init */
if (usb_debug)
libusb_set_debug(ctx, 3);
-
- atexit(_usb_finalize);
}
}
--
1.8.5.3

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@ -1,28 +1,27 @@
Name: libusb
Epoch: 1
Version: 0.1.5
Release: 12%{?dist}
Summary: A library which allows userspace access to USB devices
Group: System Environment/Libraries
License: LGPLv2+
URL: http://sourceforge.net/projects/libusb/
Source0: http://downloads.sourceforge.net/libusb/libusb-compat-%{version}.tar.bz2
Patch0: libusb-config-multilib.patch
Patch1: 0001-Link-with-znodelete-to-disallow-unloading.patch
Patch2: 0002-Revert-use-atexit-to-call-libusb_exit.patch
BuildRequires: libusb1-devel
Name: libusb
Epoch: 1
Version: 0.1.7
Release: 5%{?dist}
Summary: Compatibility shim around libusb-1.0 offering the old 0.1 API
License: LGPLv2+
URL: https://github.com/libusb/libusb-compat-0.1
Source0: https://github.com/libusb/libusb-compat-0.1/releases/download/v%{version}/libusb-compat-%{version}.tar.bz2
Patch0: libusb-config-multilib.patch
BuildRequires: gcc libtool
BuildRequires: libusb1-devel
BuildRequires: make
%description
This package provides a way for applications to access USB devices.
Legacy libusb-0.1 is no longer supported by upstream, therefore content of this
package was replaced by libusb-compat. It provides compatibility layer allowing
applications written for libusb-0.1 to work with libusb-1.0.
This package provides a shim / compatibility layer on top of libusb-1.0
offering the old 0.1 API for applications which do not have been ported
to the new 1.0 API yet. Where ever possible applications really should
use and / or be ported to the new 1.0 API instead of relying on this
compatibility library.
%package devel
Summary: Development files for libusb
Group: Development/Libraries
Requires: %{name}%{?_isa} = %{epoch}:%{version}-%{release}
Summary: Development files for libusb
Requires: %{name}%{?_isa} = %{epoch}:%{version}-%{release}
%description devel
This package contains the header files, libraries and documentation needed to
@ -30,28 +29,45 @@ develop applications that use libusb-0.1. However new applications should use
libusb-1.0 library instead of this one.
%package tests-examples
Summary: Tests and examples for %{name}
Requires: %{name}%{?_isa} = %{epoch}:%{version}-%{release}
%description tests-examples
This package contains tests and examples for %{name}.
%prep
%setup -q -n libusb-compat-%{version}
%patch0 -p1 -b .config-multilib
%patch1 -p1
%patch2 -p1
%autosetup -n libusb-compat-%{version}
autoreconf -ivf
%build
%configure --disable-static
make %{?_smp_mflags}
%configure --disable-static --enable-examples-build
%make_build
%install
%make_install
rm $RPM_BUILD_ROOT%{_libdir}/libusb.la
for i in lsusb testlibusb; do
install -m 755 examples/.libs/$i \
$RPM_BUILD_ROOT%{_bindir}/libusb-compat-0.1-$i
done
%check
LD_LIBRARY_PATH=libusb/.libs ldd -r $RPM_BUILD_ROOT%{_bindir}/libusb-compat-0.1-lsusb
LD_LIBRARY_PATH=libusb/.libs $RPM_BUILD_ROOT%{_bindir}/libusb-compat-0.1-lsusb
LD_LIBRARY_PATH=libusb/.libs $RPM_BUILD_ROOT%{_bindir}/libusb-compat-0.1-testlibusb
%ldconfig_scriptlets
%files
%doc AUTHORS COPYING ChangeLog NEWS README
%doc AUTHORS NEWS README
%license COPYING
%{_libdir}/libusb-0.1.so.*
%files devel
@ -60,8 +76,41 @@ rm $RPM_BUILD_ROOT%{_libdir}/libusb.la
%{_libdir}/pkgconfig/libusb.pc
%{_bindir}/libusb-config
%files tests-examples
%{_bindir}/libusb-compat-0.1-lsusb
%{_bindir}/libusb-compat-0.1-testlibusb
%changelog
* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 1:0.1.7-5
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
Related: rhbz#1991688
* Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 1:0.1.7-4
- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.7-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.7-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Sat Mar 14 2020 Hans de Goede <hdegoede@redhat.com> - 1:0.1.7-1
- New upstream release 0.1.7 (rhbz#1805154)
- Add tests-examples sub-package and %%check
* Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.5-16
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.5-15
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.5-14
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.5-13
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.1.5-12
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild