import RHEL 10 Beta bubblewrap-0.9.0-1.el10

This commit is contained in:
eabdullin 2024-11-20 13:36:53 +00:00
parent 62142fd0c3
commit e6bcf35c7e
6 changed files with 222 additions and 242 deletions

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f62f7900c32a5fec4e53a929eae5a9fd16bb3536 SOURCES/bubblewrap-0.4.0.tar.xz

2
.gitignore vendored
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SOURCES/bubblewrap-0.4.0.tar.xz bubblewrap-0.9.0.tar.xz

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From 52d5f7c3ba5c8e10b3a992304fd28cd4d18caeeb Mon Sep 17 00:00:00 2001
From: Alexander Larsson <alexl@redhat.com>
Date: Tue, 18 Jun 2024 10:20:36 +0200
Subject: [PATCH] Add --bind-fd and --ro-bind-fd to let you bind a O_PATH fd.
This is useful for example if you for some reason don't have the real
path. It is also a way to make bind-mounts race-free (i.e. to have the
mount actually be the thing you wanted to be mounted, avoiding issues
where some other process replaces the target in parallel with the bwrap
launch.
Unfortunately due to some technical details we can't actually directly
mount the dirfd, as they come from different user namespace which is not
permitted, but at least we can delay resolving the fd to a path as much as
possible, and then validate after mount that we actually mounted the right
thing.
Signed-off-by: Alexander Larsson <alexl@redhat.com>
(cherry picked from commit a253257cd298892da43e15201d83f9a02c9b58b5)
[kalev: Backport to 0.4.x]
Signed-off-by: Kalev Lember <klember@redhat.com>
---
bubblewrap.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++
tests/test-run.sh | 7 ++++++-
2 files changed, 56 insertions(+), 1 deletion(-)
diff --git a/bubblewrap.c b/bubblewrap.c
index b3d52bc..38b3646 100644
--- a/bubblewrap.c
+++ b/bubblewrap.c
@@ -250,6 +250,8 @@ usage (int ecode, FILE *out)
" --dev-bind-try SRC DEST Equal to --dev-bind but ignores non-existent SRC\n"
" --ro-bind SRC DEST Bind mount the host path SRC readonly on DEST\n"
" --ro-bind-try SRC DEST Equal to --ro-bind but ignores non-existent SRC\n"
+ " --bind-fd FD DEST Bind open directory or path fd on DEST\n"
+ " --ro-bind-fd FD DEST Bind open directory or path fd read-only on DEST\n"
" --remount-ro DEST Remount DEST as readonly; does not recursively remount\n"
" --exec-label LABEL Exec label for the sandbox\n"
" --file-label LABEL File label for temporary sandbox content\n"
@@ -1111,6 +1113,30 @@ setup_newroot (bool unshare_pid,
(op->type == SETUP_RO_BIND_MOUNT ? BIND_READONLY : 0) |
(op->type == SETUP_DEV_BIND_MOUNT ? BIND_DEVICES : 0),
source, dest);
+
+ if (op->fd >= 0)
+ {
+ struct stat fd_st, mount_st;
+
+ /* When using bind-fd, there is a race condition between resolving the fd as a magic symlink
+ * and mounting it, where someone could replace what is at the symlink target. Ideally
+ * we would not even resolve the symlink and directly bind-mount from the fd, but unfortunately
+ * we can't do that, because its not permitted to bind mount a fd from another user namespace.
+ * So, we resolve, mount and then compare fstat+stat to detect the race. */
+
+ if (fstat(op->fd, &fd_st) != 0)
+ die_with_error("Can't stat fd %d", op->fd);
+ if (lstat(dest, &mount_st) != 0)
+ die_with_error("Can't stat mount at %s", dest);
+
+ if (fd_st.st_ino != mount_st.st_ino ||
+ fd_st.st_dev != mount_st.st_dev)
+ die_with_error("Race condition binding dirfd");
+
+ close(op->fd);
+ op->fd = -1;
+ }
+
break;
case SETUP_REMOUNT_RO_NO_RECURSIVE:
@@ -1648,6 +1674,30 @@ parse_args_recurse (int *argcp,
if (strcmp(arg, "--dev-bind-try") == 0)
op->flags = ALLOW_NOTEXIST;
+ argv += 2;
+ argc -= 2;
+ }
+ else if (strcmp (arg, "--bind-fd") == 0 ||
+ strcmp (arg, "--ro-bind-fd") == 0)
+ {
+ int src_fd;
+ char *endptr;
+
+ if (argc < 3)
+ die ("--bind-fd takes two arguments");
+
+ src_fd = strtol (argv[1], &endptr, 10);
+ if (argv[1][0] == 0 || endptr[0] != 0 || src_fd < 0)
+ die ("Invalid fd: %s", argv[1]);
+
+ if (strcmp(arg, "--ro-bind-fd") == 0)
+ op = setup_op_new (SETUP_RO_BIND_MOUNT);
+ else
+ op = setup_op_new (SETUP_BIND_MOUNT);
+ op->source = xasprintf ("/proc/self/fd/%d", src_fd);
+ op->fd = src_fd;
+ op->dest = argv[2];
+
argv += 2;
argc -= 2;
}
diff --git a/tests/test-run.sh b/tests/test-run.sh
index 702c480..ce1eaf6 100755
--- a/tests/test-run.sh
+++ b/tests/test-run.sh
@@ -80,7 +80,7 @@ if ! $RUN true; then
skip Seems like bwrap is not working at all. Maybe setuid is not working
fi
-echo "1..49"
+echo "1..50"
# Test help
${BWRAP} --help > help.txt
@@ -382,5 +382,10 @@ else
echo "ok - Test --pidns"
fi
+echo "foobar" > file-data
+$RUN --proc /proc --dev /dev --bind / / --bind-fd 100 /tmp cat /tmp/file-data 100< . > stdout
+assert_file_has_content stdout foobar
+
+echo "ok - bind-fd"
echo "ok - End of test"
--
2.46.0

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@ -1,112 +0,0 @@
Name: bubblewrap
Version: 0.4.0
Release: 2%{?dist}
Summary: Core execution tool for unprivileged containers
License: LGPLv2+
#VCS: git:https://github.com/projectatomic/bubblewrap
URL: https://github.com/projectatomic/bubblewrap
Source0: https://github.com/projectatomic/bubblewrap/releases/download/v%{version}/bubblewrap-%{version}.tar.xz
Patch0: 0001-Add-bind-fd-and-ro-bind-fd-to-let-you-bind-a-O_PATH-.patch
BuildRequires: autoconf automake libtool
BuildRequires: gcc
BuildRequires: libcap-devel
BuildRequires: pkgconfig(libselinux)
BuildRequires: libxslt
BuildRequires: docbook-style-xsl
%description
Bubblewrap (/usr/bin/bwrap) is a core execution engine for unprivileged
containers that works as a setuid binary on kernels without
user namespaces.
%prep
%autosetup -p1
%build
if ! test -x configure; then NOCONFIGURE=1 ./autogen.sh; fi
%configure --disable-silent-rules --with-priv-mode=none
%make_build
%install
%make_install INSTALL="install -p -c"
find %{buildroot} -name '*.la' -delete -print
%files
%license COPYING
%dir %{_datadir}/bash-completion
%dir %{_datadir}/bash-completion/completions
%{_datadir}/bash-completion/completions/bwrap
%if (0%{?rhel} != 0 && 0%{?rhel} <= 7)
%attr(0755,root,root) %caps(cap_sys_admin,cap_net_admin,cap_sys_chroot,cap_setuid,cap_setgid=ep) %{_bindir}/bwrap
%else
%{_bindir}/bwrap
%endif
%{_mandir}/man1/*
%changelog
* Fri Aug 30 2024 Kalev Lember <klember@redhat.com> - 0.4.0-2
- Backport upstream fix to help address CVE-2024-42472 in flatpak
* Thu Jan 09 2020 David King <dking@redhat.com> - 0.4.0-1
- Rebase to 0.4.0 (#1788067)
* Wed Jul 11 2018 Colin Walters <walters@verbum.org> - 0.3.0-1
- https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.0
* Wed May 16 2018 Kalev Lember <klember@redhat.com> - 0.2.1-1
- Update to 0.2.1
* Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.0-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
* Mon Oct 09 2017 Colin Walters <walters@verbum.org> - 0.2.0-2
- New upstream version
- https://github.com/projectatomic/bubblewrap/releases/tag/v0.2.0
* Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.8-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.8-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
* Tue Mar 28 2017 Colin Walters <walters@verbum.org> - 0.1.8-1
- New upstream version
https://github.com/projectatomic/bubblewrap/releases/tag/v0.1.8
* Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.7-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
* Wed Jan 18 2017 Colin Walters <walters@verbum.org> - 0.1.7-1
- New upstream version;
https://github.com/projectatomic/bubblewrap/releases/tag/v0.1.7
- Resolves: #1411814
* Tue Jan 10 2017 Colin Walters <walters@verbum.org> - 0.1.6-1
- New upstream version with security fix
- Resolves: #1411814
* Mon Dec 19 2016 Kalev Lember <klember@redhat.com> - 0.1.5-1
- Update to 0.1.5
* Tue Dec 06 2016 walters@redhat.com - 0.1.4-4
- Backport fix for regression in previous commit for rpm-ostree
* Thu Dec 01 2016 walters@redhat.com - 0.1.4-3
- Backport patch to fix running via nspawn, which should fix rpm-ostree-in-bodhi
* Tue Nov 29 2016 Kalev Lember <klember@redhat.com> - 0.1.4-1
- Update to 0.1.4
* Fri Oct 14 2016 Colin Walters <walters@verbum.org> - 0.1.3-2
- New upstream version
* Mon Sep 12 2016 Kalev Lember <klember@redhat.com> - 0.1.2-1
- Update to 0.1.2
* Tue Jul 12 2016 Igor Gnatenko <ignatenko@redhat.com> - 0.1.1-2
- Trivial fixes in packaging
* Fri Jul 08 2016 Colin Walters <walters@verbum.org> - 0.1.1
- Initial package

220
bubblewrap.spec Normal file
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@ -0,0 +1,220 @@
## START: Set by rpmautospec
## (rpmautospec version 0.6.1)
## RPMAUTOSPEC: autorelease, autochangelog
%define autorelease(e:s:pb:n) %{?-p:0.}%{lua:
release_number = 1;
base_release_number = tonumber(rpm.expand("%{?-b*}%{!?-b:1}"));
print(release_number + base_release_number - 1);
}%{?-e:.%{-e*}}%{?-s:.%{-s*}}%{!?-n:%{?dist}}
## END: Set by rpmautospec
Name: bubblewrap
Version: 0.9.0
Release: %autorelease
Summary: Core execution tool for unprivileged containers
License: LGPL-2.0-or-later
URL: https://github.com/containers/bubblewrap/
Source0: https://github.com/containers/bubblewrap/releases/download/v%{version}/bubblewrap-%{version}.tar.xz
BuildRequires: pkgconfig(bash-completion) >= 2.0
BuildRequires: gcc
BuildRequires: docbook-style-xsl
BuildRequires: meson
BuildRequires: pkgconfig(libcap)
BuildRequires: pkgconfig(libselinux)
BuildRequires: /usr/bin/xsltproc
%description
Bubblewrap (/usr/bin/bwrap) is a core execution engine for unprivileged
containers that works as a setuid binary on kernels without
user namespaces.
%prep
%autosetup
%build
%meson -Dman=enabled -Dselinux=enabled
%meson_build
%install
%meson_install
%files
%license COPYING
%doc README.md
%dir %{_datadir}/bash-completion
%dir %{_datadir}/bash-completion/completions
%{_datadir}/bash-completion/completions/bwrap
%dir %{_datadir}/zsh
%dir %{_datadir}/zsh/site-functions
%{_datadir}/zsh/site-functions/_bwrap
%if (0%{?rhel} != 0 && 0%{?rhel} <= 7)
%attr(0755,root,root) %caps(cap_sys_admin,cap_net_admin,cap_sys_chroot,cap_setuid,cap_setgid=ep) %{_bindir}/bwrap
%else
%{_bindir}/bwrap
%endif
%{_mandir}/man1/bwrap.1*
%changelog
## START: Generated by rpmautospec
* Tue May 21 2024 Joseph Marrero <jmarrero@redhat.com> - 0.9.0-1
- Rebase to 0.9.0
* Tue Jan 23 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.8.0-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
* Fri Jan 19 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.8.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
* Thu Nov 16 2023 Debarshi Ray <debarshir@gnome.org> - 0.8.0-1
- Update to 0.8.0 (#2173820)
* Thu Nov 16 2023 Debarshi Ray <debarshir@gnome.org> - 0.7.0-4
- Use Bash's bash-completion.pc to provide the location for completions
* Thu Nov 16 2023 Debarshi Ray <debarshir@gnome.org> - 0.7.0-3
- Explicitly enable SELinux to avoid accidents and misunderstanding
* Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.7.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
* Tue Feb 07 2023 David King <amigadave@amigadave.com> - 0.7.0-1
- Update to 0.7.0 (#2058474)
* Wed Jan 18 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.5.0-6
- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
* Wed Jul 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.5.0-5
- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
* Wed Jan 19 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.5.0-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
* Wed Aug 25 2021 Kalev Lember <klember@redhat.com> - 0.5.0-3
- Simplify make install invocation
* Wed Aug 25 2021 Kalev Lember <klember@redhat.com> - 0.5.0-2
- Drop https://github.com/containers/bubblewrap/pull/426 patch as it breaks
tests
* Wed Aug 25 2021 Kalev Lember <klember@redhat.com> - 0.5.0-1
- Update to 0.5.0
* Wed Aug 25 2021 Kalev Lember <klember@redhat.com> - 0.4.1-8
- Drop unused VCS tag
* Wed Jul 21 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.1-7
- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
* Wed Jul 21 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.1-6
- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
* Thu May 27 2021 Colin Walters <walters@verbum.org> - 0.4.1-5
- Backport https://github.com/containers/bubblewrap/pull/426
* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.1-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Thu Dec 17 2020 Tom Stellard <tstellar@redhat.com> - 0.4.1-3
- Add BuildRequires: make
* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Mon Mar 30 2020 David King <amigadave@amigadave.com> - 0.4.1-1
- Update to 0.4.1
* Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Wed Nov 27 2019 Kalev Lember <klember@redhat.com> - 0.4.0-1
- Update to 0.4.0
* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.3-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Wed May 01 2019 Colin Walters <walters@verbum.org> - 0.3.3-1
- New upstream release
* Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Mon Oct 01 2018 Kalev Lember <klember@redhat.com> - 0.3.1-1
- Update to 0.3.1
* Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.3.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Wed Jul 11 2018 Colin Walters <walters@verbum.org> - 0.3.0-1
- v0.3.0
* Wed May 16 2018 Kalev Lember <klember@redhat.com> - 0.2.1-1
- Update to 0.2.1
* Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
* Mon Oct 09 2017 Colin Walters <walters@verbum.org> - 0.2.0-1
- New upstream version
* Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.8-4
- Rebuilt for
https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.8-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
* Tue May 23 2017 David King <amigadave@amigadave.com> - 0.1.8-2
- Update sources
* Tue Mar 28 2017 Colin Walters <walters@verbum.org> - 0.1.8-1
- New upstream version
* Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.7-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
* Wed Jan 18 2017 Colin Walters <walters@verbum.org> - 0.1.7-1
- New upstream version;
https://github.com/projectatomic/bubblewrap/releases/tag/v0.1.7 Resolves:
#1411814
* Tue Jan 10 2017 Colin Walters <walters@verbum.org> - 0.1.6-1
- New upstream version
* Mon Dec 19 2016 Kalev Lember <klember@redhat.com> - 0.1.5-1
- Update to 0.1.5
* Tue Dec 06 2016 Colin Walters <walters@verbum.org> - 0.1.4-4
- Backport regression fix
* Thu Dec 01 2016 Colin Walters <walters@verbum.org> - 0.1.4-3
- Backport patch to fix runs via bodhi
* Thu Dec 01 2016 Colin Walters <walters@verbum.org> - 0.1.4-2
- Re-introduce support for builds from git
* Tue Nov 29 2016 Kalev Lember <klember@redhat.com> - 0.1.4-1
- Update to 0.1.4 and switch to upstream distributed release tarballs.
* Fri Oct 14 2016 Colin Walters <walters@verbum.org> - 0.1.3-2
- Fix sources
* Fri Oct 14 2016 Colin Walters <walters@verbum.org> - 0.1.3-1
- New upstream release
* Sat Sep 24 2016 Colin Walters <walters@verbum.org> - 0.1.2-2
- spec: Grant cap_setuid/setgid on EL7
* Mon Sep 12 2016 Kalev Lember <klember@redhat.com> - 0.1.2-1
- Update to 0.1.2
* Tue Jul 12 2016 Colin Walters <walters@verbum.org> - 0.1.1-3
- Fix man page glob from previous commit
* Tue Jul 12 2016 Igor Gnatenko <ignatenko@redhat.com> - 0.1.1-2
- Trivial fixes in packaging
* Mon Jul 11 2016 Colin Walters <walters@verbum.org> - 0.1.1-1
- Initial import
## END: Generated by rpmautospec

1
sources Normal file
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SHA512 (bubblewrap-0.9.0.tar.xz) = 3a3af355e4fdb19a91c40020d68fd83f7c74ebef92d989c932933293758bc0175fa41220c47fe829b84ba29457a12f0e225c19afe674ecbf983b0826dbc1c878