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git://git.yoctoproject.org/meta-selinux
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a74e89404f
Backport the following patches to fix systemd-resolved and systemd-netowrkd policy issues: systemd-systemd-resolved-is-linked-to-libselinux.patch sysnetwork-systemd-allow-DNS-resolution-over-io.syst.patch term-init-allow-systemd-to-watch-and-watch-reads-on-.patch systemd-add-file-transition-for-systemd-networkd-run.patch systemd-add-missing-file-context-for-run-systemd-net.patch systemd-add-file-contexts-for-systemd-network-genera.patch systemd-udev-allow-udev-to-read-systemd-networkd-run.patch Signed-off-by: Yi Zhao <yi.zhao@windriver.com> Signed-off-by: Joe MacDonald <joe@deserted.net>
95 lines
3.5 KiB
Diff
95 lines
3.5 KiB
Diff
From 50670946f04257cc2110facbc61884e2cf0d8327 Mon Sep 17 00:00:00 2001
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From: Kenton Groombridge <me@concord.sh>
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Date: Fri, 6 May 2022 21:16:29 -0400
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Subject: [PATCH] term, init: allow systemd to watch and watch reads on
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unallocated ttys
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As of systemd 250, systemd needs to be able to add a watch on and watch
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reads on unallocated ttys in order to start getty.
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systemd[55548]: getty@tty1.service: Failed to set up standard input: Permission denied
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systemd[55548]: getty@tty1.service: Failed at step STDIN spawning /sbin/agetty: Permission denied
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time->Fri May 6 21:17:58 2022
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type=PROCTITLE msg=audit(1651886278.452:1770): proctitle="(agetty)"
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type=PATH msg=audit(1651886278.452:1770): item=0 name="/dev/tty1" inode=18 dev=00:05 mode=020620 ouid=0 ogid=5 rdev=04:01 obj=system_u:object_r:tty_device_t:s0 nametype=NORMAL cap_fp=0 cap_fi=0 cap_fe=0 cap_fver=0 cap_frootid=0
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type=CWD msg=audit(1651886278.452:1770): cwd="/"
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type=SYSCALL msg=audit(1651886278.452:1770): arch=c000003e syscall=254 success=no exit=-13 a0=3 a1=60ba5c21e020 a2=18 a3=23 items=1 ppid=1 pid=55551 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="(agetty)" exe="/lib/systemd/systemd" subj=system_u:system_r:init_t:s0 key=(null)
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type=AVC msg=audit(1651886278.452:1770): avc: denied { watch watch_reads } for pid=55551 comm="(agetty)" path="/dev/tty1" dev="devtmpfs" ino=18 scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:tty_device_t:s0 tclass=chr_file permissive=0
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Upstream-Status: Backport
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[https://github.com/SELinuxProject/refpolicy/commit/308ab9f69a4623f5dace8da151e70c6316f055a8]
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Signed-off-by: Kenton Groombridge <me@concord.sh>
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Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
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---
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policy/modules/kernel/terminal.if | 38 +++++++++++++++++++++++++++++++
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policy/modules/system/init.te | 2 ++
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2 files changed, 40 insertions(+)
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diff --git a/policy/modules/kernel/terminal.if b/policy/modules/kernel/terminal.if
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index e8c0735eb..6e9f654ac 100644
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--- a/policy/modules/kernel/terminal.if
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+++ b/policy/modules/kernel/terminal.if
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@@ -1287,6 +1287,44 @@ interface(`term_dontaudit_use_unallocated_ttys',`
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dontaudit $1 tty_device_t:chr_file rw_chr_file_perms;
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')
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+########################################
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+## <summary>
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+## Watch unallocated ttys.
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+## </summary>
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+## <param name="domain">
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+## <summary>
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+## Domain allowed access.
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+## </summary>
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+## </param>
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+#
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+interface(`term_watch_unallocated_ttys',`
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+ gen_require(`
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+ type tty_device_t;
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+ ')
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+
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+ dev_list_all_dev_nodes($1)
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+ allow $1 tty_device_t:chr_file watch;
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+')
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+
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+########################################
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+## <summary>
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+## Watch reads on unallocated ttys.
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+## </summary>
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+## <param name="domain">
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+## <summary>
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+## Domain allowed access.
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+## </summary>
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+## </param>
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+#
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+interface(`term_watch_reads_unallocated_ttys',`
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+ gen_require(`
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+ type tty_device_t;
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+ ')
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+
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+ dev_list_all_dev_nodes($1)
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+ allow $1 tty_device_t:chr_file watch_reads;
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+')
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+
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########################################
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## <summary>
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## Get the attributes of all tty device nodes.
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diff --git a/policy/modules/system/init.te b/policy/modules/system/init.te
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index 5a19f0e43..24cef0924 100644
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--- a/policy/modules/system/init.te
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+++ b/policy/modules/system/init.te
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@@ -518,6 +518,8 @@ ifdef(`init_systemd',`
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term_create_devpts_dirs(init_t)
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term_create_ptmx(init_t)
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term_create_controlling_term(init_t)
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+ term_watch_unallocated_ttys(init_t)
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+ term_watch_reads_unallocated_ttys(init_t)
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# udevd is a "systemd kobject uevent socket activated daemon"
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udev_create_kobject_uevent_sockets(init_t)
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--
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2.25.1
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