Date
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[meta-selinux][master][kirkstone][PATCH 1/2] refpolicy: backport patches to fix policy issues for systemd 250
Yi Zhao
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@...> --- ...emd-resolved-is-linked-to-libselinux.patch | 33 +++++++ ...md-allow-DNS-resolution-over-io.syst.patch | 63 +++++++++++++ ...systemd-to-watch-and-watch-reads-on-.patch | 94 +++++++++++++++++++ ...-transition-for-systemd-networkd-run.patch | 32 +++++++ ...ing-file-context-for-run-systemd-net.patch | 29 ++++++ ...-contexts-for-systemd-network-genera.patch | 38 ++++++++ ...ow-udev-to-read-systemd-networkd-run.patch | 34 +++++++ .../refpolicy/refpolicy_common.inc | 7 ++ 8 files changed, 330 insertions(+) create mode 100644 recipes-security/refpolicy/refpolicy/0062-systemd-systemd-resolved-is-linked-to-libselinux.patch create mode 100644 recipes-security/refpolicy/refpolicy/0063-sysnetwork-systemd-allow-DNS-resolution-over-io.syst.patch create mode 100644 recipes-security/refpolicy/refpolicy/0064-term-init-allow-systemd-to-watch-and-watch-reads-on-.patch create mode 100644 recipes-security/refpolicy/refpolicy/0065-systemd-add-file-transition-for-systemd-networkd-run.patch create mode 100644 recipes-security/refpolicy/refpolicy/0066-systemd-add-missing-file-context-for-run-systemd-net.patch create mode 100644 recipes-security/refpolicy/refpolicy/0067-systemd-add-file-contexts-for-systemd-network-genera.patch create mode 100644 recipes-security/refpolicy/refpolicy/0068-systemd-udev-allow-udev-to-read-systemd-networkd-run.patch diff --git a/recipes-security/refpolicy/refpolicy/0062-systemd-systemd-resolved-is-linked-to-libselinux.patch b/recipes-security/refpolicy/refpolicy/0062-systemd-systemd-resolved-is-linked-to-libselinux.patch new file mode 100644 index 0000000..e0db7d3 --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0062-systemd-systemd-resolved-is-linked-to-libselinux.patch @@ -0,0 +1,33 @@ +From 52a4222397f5d3b28ca15a45bb2ace209a4afc3e Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Thu, 31 Mar 2022 13:09:10 -0400 +Subject: [PATCH] systemd: systemd-resolved is linked to libselinux + +systemd-resolved as of systemd 250 fails to start with this error: + +Failed to initialize SELinux labeling handle: No such file or directory + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/3a22db2410de479e5baa88f3f668a7a4ac198950] + +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/system/systemd.te | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/policy/modules/system/systemd.te b/policy/modules/system/systemd.te +index 8cea6baa1..beb301cc6 100644 +--- a/policy/modules/system/systemd.te ++++ b/policy/modules/system/systemd.te +@@ -1261,6 +1261,7 @@ fs_getattr_cgroup(systemd_resolved_t) + + init_dgram_send(systemd_resolved_t) + ++seutil_libselinux_linked(systemd_resolved_t) + seutil_read_file_contexts(systemd_resolved_t) + + systemd_log_parse_environment(systemd_resolved_t) +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy/0063-sysnetwork-systemd-allow-DNS-resolution-over-io.syst.patch b/recipes-security/refpolicy/refpolicy/0063-sysnetwork-systemd-allow-DNS-resolution-over-io.syst.patch new file mode 100644 index 0000000..63da7cd --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0063-sysnetwork-systemd-allow-DNS-resolution-over-io.syst.patch @@ -0,0 +1,63 @@ +From 1ba0911e157c64ea15636c5707f38f1bdc9a46c8 Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Wed, 27 Apr 2022 01:09:52 -0400 +Subject: [PATCH] sysnetwork, systemd: allow DNS resolution over + io.systemd.Resolve + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/1a0acc9c0d8c7c49ad4ca2cabd44bc66450f45e0] + +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/system/sysnetwork.if | 1 + + policy/modules/system/systemd.if | 21 +++++++++++++++++++++ + 2 files changed, 22 insertions(+) + +diff --git a/policy/modules/system/sysnetwork.if b/policy/modules/system/sysnetwork.if +index 8664a67c8..140d48508 100644 +--- a/policy/modules/system/sysnetwork.if ++++ b/policy/modules/system/sysnetwork.if +@@ -844,6 +844,7 @@ interface(`sysnet_dns_name_resolve',` + ifdef(`init_systemd',` + optional_policy(` + systemd_dbus_chat_resolved($1) ++ systemd_stream_connect_resolved($1) + ') + # This seems needed when the mymachines NSS module is used + optional_policy(` +diff --git a/policy/modules/system/systemd.if b/policy/modules/system/systemd.if +index 5f2038f22..9143fb4c0 100644 +--- a/policy/modules/system/systemd.if ++++ b/policy/modules/system/systemd.if +@@ -1835,6 +1835,27 @@ interface(`systemd_tmpfilesd_managed',` + ') + ') + ++####################################### ++## <summary> ++## Connect to systemd resolved over ++## /run/systemd/resolve/io.systemd.Resolve . ++## </summary> ++## <param name="domain"> ++## <summary> ++## Domain allowed access. ++## </summary> ++## </param> ++# ++interface(`systemd_stream_connect_resolved',` ++ gen_require(` ++ type systemd_resolved_t; ++ type systemd_resolved_runtime_t; ++ ') ++ ++ files_search_runtime($1) ++ stream_connect_pattern($1, systemd_resolved_runtime_t, systemd_resolved_runtime_t, systemd_resolved_t) ++') ++ + ######################################## + ## <summary> + ## Send and receive messages from +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy/0064-term-init-allow-systemd-to-watch-and-watch-reads-on-.patch b/recipes-security/refpolicy/refpolicy/0064-term-init-allow-systemd-to-watch-and-watch-reads-on-.patch new file mode 100644 index 0000000..88f070d --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0064-term-init-allow-systemd-to-watch-and-watch-reads-on-.patch @@ -0,0 +1,94 @@ +From 50670946f04257cc2110facbc61884e2cf0d8327 Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Fri, 6 May 2022 21:16:29 -0400 +Subject: [PATCH] term, init: allow systemd to watch and watch reads on + unallocated ttys + +As of systemd 250, systemd needs to be able to add a watch on and watch +reads on unallocated ttys in order to start getty. + +systemd[55548]: getty@...: Failed to set up standard input: Permission denied +systemd[55548]: getty@...: Failed at step STDIN spawning /sbin/agetty: Permission denied + +time->Fri May 6 21:17:58 2022 +type=PROCTITLE msg=audit(1651886278.452:1770): proctitle="(agetty)" +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 +type=CWD msg=audit(1651886278.452:1770): cwd="/" +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) +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 + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/308ab9f69a4623f5dace8da151e70c6316f055a8] + +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/kernel/terminal.if | 38 +++++++++++++++++++++++++++++++ + policy/modules/system/init.te | 2 ++ + 2 files changed, 40 insertions(+) + +diff --git a/policy/modules/kernel/terminal.if b/policy/modules/kernel/terminal.if +index e8c0735eb..6e9f654ac 100644 +--- a/policy/modules/kernel/terminal.if ++++ b/policy/modules/kernel/terminal.if +@@ -1287,6 +1287,44 @@ interface(`term_dontaudit_use_unallocated_ttys',` + dontaudit $1 tty_device_t:chr_file rw_chr_file_perms; + ') + ++######################################## ++## <summary> ++## Watch unallocated ttys. ++## </summary> ++## <param name="domain"> ++## <summary> ++## Domain allowed access. ++## </summary> ++## </param> ++# ++interface(`term_watch_unallocated_ttys',` ++ gen_require(` ++ type tty_device_t; ++ ') ++ ++ dev_list_all_dev_nodes($1) ++ allow $1 tty_device_t:chr_file watch; ++') ++ ++######################################## ++## <summary> ++## Watch reads on unallocated ttys. ++## </summary> ++## <param name="domain"> ++## <summary> ++## Domain allowed access. ++## </summary> ++## </param> ++# ++interface(`term_watch_reads_unallocated_ttys',` ++ gen_require(` ++ type tty_device_t; ++ ') ++ ++ dev_list_all_dev_nodes($1) ++ allow $1 tty_device_t:chr_file watch_reads; ++') ++ + ######################################## + ## <summary> + ## Get the attributes of all tty device nodes. +diff --git a/policy/modules/system/init.te b/policy/modules/system/init.te +index 5a19f0e43..24cef0924 100644 +--- a/policy/modules/system/init.te ++++ b/policy/modules/system/init.te +@@ -518,6 +518,8 @@ ifdef(`init_systemd',` + term_create_devpts_dirs(init_t) + term_create_ptmx(init_t) + term_create_controlling_term(init_t) ++ term_watch_unallocated_ttys(init_t) ++ term_watch_reads_unallocated_ttys(init_t) + + # udevd is a "systemd kobject uevent socket activated daemon" + udev_create_kobject_uevent_sockets(init_t) +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy/0065-systemd-add-file-transition-for-systemd-networkd-run.patch b/recipes-security/refpolicy/refpolicy/0065-systemd-add-file-transition-for-systemd-networkd-run.patch new file mode 100644 index 0000000..1029490 --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0065-systemd-add-file-transition-for-systemd-networkd-run.patch @@ -0,0 +1,32 @@ +From 6f8a8ecd8bafd6e8a3515b53db2a2982a02ff254 Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Thu, 31 Mar 2022 13:22:37 -0400 +Subject: [PATCH] systemd: add file transition for systemd-networkd runtime + +systemd-networkd creates the /run/systemd/network directory which should +be labeled appropriately. + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/663b62f27cb12c22f056eba9326cf3f7f78d8a9e] + +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/system/systemd.te | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/policy/modules/system/systemd.te b/policy/modules/system/systemd.te +index beb301cc6..654c6a42a 100644 +--- a/policy/modules/system/systemd.te ++++ b/policy/modules/system/systemd.te +@@ -917,6 +917,7 @@ auth_use_nsswitch(systemd_networkd_t) + + init_dgram_send(systemd_networkd_t) + init_read_state(systemd_networkd_t) ++init_runtime_filetrans(systemd_networkd_t, systemd_networkd_runtime_t, dir) + + logging_send_syslog_msg(systemd_networkd_t) + +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy/0066-systemd-add-missing-file-context-for-run-systemd-net.patch b/recipes-security/refpolicy/refpolicy/0066-systemd-add-missing-file-context-for-run-systemd-net.patch new file mode 100644 index 0000000..f84eb4a --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0066-systemd-add-missing-file-context-for-run-systemd-net.patch @@ -0,0 +1,29 @@ +From 2e3f371b59bee343c42e4c69495df0f3719b6e24 Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Sat, 2 Apr 2022 15:44:01 -0400 +Subject: [PATCH] systemd: add missing file context for /run/systemd/network + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/f2fe1ae15485da7b6269b7d0d7dbed9a834f1876] + +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/system/systemd.fc | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/policy/modules/system/systemd.fc b/policy/modules/system/systemd.fc +index 34db8c034..d21914227 100644 +--- a/policy/modules/system/systemd.fc ++++ b/policy/modules/system/systemd.fc +@@ -85,6 +85,7 @@ HOME_DIR/\.local/share/systemd(/.*)? gen_context(system_u:object_r:systemd_data + + /run/systemd/ask-password(/.*)? gen_context(system_u:object_r:systemd_passwd_runtime_t,s0) + /run/systemd/ask-password-block(/.*)? gen_context(system_u:object_r:systemd_passwd_runtime_t,s0) ++/run/systemd/network(/.*)? gen_context(system_u:object_r:systemd_networkd_runtime_t,s0) + /run/systemd/resolve(/.*)? gen_context(system_u:object_r:systemd_resolved_runtime_t,s0) + /run/systemd/seats(/.*)? gen_context(system_u:object_r:systemd_sessions_runtime_t,s0) + /run/systemd/sessions(/.*)? gen_context(system_u:object_r:systemd_sessions_runtime_t,s0) +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy/0067-systemd-add-file-contexts-for-systemd-network-genera.patch b/recipes-security/refpolicy/refpolicy/0067-systemd-add-file-contexts-for-systemd-network-genera.patch new file mode 100644 index 0000000..0aaf096 --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0067-systemd-add-file-contexts-for-systemd-network-genera.patch @@ -0,0 +1,38 @@ +From 143d339b2e6611c56cd0210279757ebee9632731 Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Thu, 19 May 2022 11:42:51 -0400 +Subject: [PATCH] systemd: add file contexts for systemd-network-generator + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/73adba0a39b7409bc4bbfa0e962108c2b1e5f2a5] + +Thanks-To: Zhao Yi +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/system/systemd.fc | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/policy/modules/system/systemd.fc b/policy/modules/system/systemd.fc +index d21914227..1a35bd65c 100644 +--- a/policy/modules/system/systemd.fc ++++ b/policy/modules/system/systemd.fc +@@ -35,6 +35,7 @@ + /usr/lib/systemd/systemd-machined -- gen_context(system_u:object_r:systemd_machined_exec_t,s0) + /usr/lib/systemd/systemd-modules-load -- gen_context(system_u:object_r:systemd_modules_load_exec_t,s0) + /usr/lib/systemd/systemd-networkd -- gen_context(system_u:object_r:systemd_networkd_exec_t,s0) ++/usr/lib/systemd/systemd-network-generator -- gen_context(system_u:object_r:systemd_networkd_exec_t,s0) + /usr/lib/systemd/systemd-pstore -- gen_context(system_u:object_r:systemd_pstore_exec_t,s0) + /usr/lib/systemd/systemd-resolved -- gen_context(system_u:object_r:systemd_resolved_exec_t,s0) + /usr/lib/systemd/systemd-rfkill -- gen_context(system_u:object_r:systemd_rfkill_exec_t,s0) +@@ -60,6 +61,7 @@ HOME_DIR/\.local/share/systemd(/.*)? gen_context(system_u:object_r:systemd_data + /usr/lib/systemd/system/systemd-backlight.* -- gen_context(system_u:object_r:systemd_backlight_unit_t,s0) + /usr/lib/systemd/system/systemd-binfmt.* -- gen_context(system_u:object_r:systemd_binfmt_unit_t,s0) + /usr/lib/systemd/system/systemd-networkd.* gen_context(system_u:object_r:systemd_networkd_unit_t,s0) ++/usr/lib/systemd/system/systemd-network-generator.* gen_context(system_u:object_r:systemd_networkd_unit_t,s0) + /usr/lib/systemd/system/systemd-rfkill.* -- gen_context(system_u:object_r:systemd_rfkill_unit_t,s0) + /usr/lib/systemd/system/systemd-socket-proxyd\.service -- gen_context(system_u:object_r:systemd_socket_proxyd_unit_file_t,s0) + +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy/0068-systemd-udev-allow-udev-to-read-systemd-networkd-run.patch b/recipes-security/refpolicy/refpolicy/0068-systemd-udev-allow-udev-to-read-systemd-networkd-run.patch new file mode 100644 index 0000000..259863c --- /dev/null +++ b/recipes-security/refpolicy/refpolicy/0068-systemd-udev-allow-udev-to-read-systemd-networkd-run.patch @@ -0,0 +1,34 @@ +From 6508bc8a3440525384fcfcd8ad55a4cd5c79b912 Mon Sep 17 00:00:00 2001 +From: Kenton Groombridge <me@...> +Date: Thu, 19 May 2022 11:43:44 -0400 +Subject: [PATCH] systemd, udev: allow udev to read systemd-networkd runtime + +udev searches for .link files and applies custom udev rules to devices +as they come up. + +Upstream-Status: Backport +[https://github.com/SELinuxProject/refpolicy/commit/998ef975f38c70d57e7220b88ae5e62c88ebb770] + +Thanks-To: Zhao Yi +Signed-off-by: Kenton Groombridge <me@...> +Signed-off-by: Yi Zhao <yi.zhao@...> +--- + policy/modules/system/udev.te | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/policy/modules/system/udev.te b/policy/modules/system/udev.te +index 4c5a690fb..8e243c0f2 100644 +--- a/policy/modules/system/udev.te ++++ b/policy/modules/system/udev.te +@@ -270,6 +270,8 @@ ifdef(`init_systemd',` + systemd_read_hwdb(udev_t) + systemd_read_logind_sessions_files(udev_t) + systemd_read_logind_runtime_files(udev_t) ++ # udev searches for .link files and applies custom udev rules ++ systemd_read_networkd_runtime(udev_t) + + optional_policy(` + init_dbus_chat(udev_t) +-- +2.25.1 + diff --git a/recipes-security/refpolicy/refpolicy_common.inc b/recipes-security/refpolicy/refpolicy_common.inc index 96d0da1..1d5a5c0 100644 --- a/recipes-security/refpolicy/refpolicy_common.inc +++ b/recipes-security/refpolicy/refpolicy_common.inc @@ -77,6 +77,13 @@ SRC_URI += " \ file://0059-policy-modules-system-setrans-allow-setrans_t-use-fd.patch \ file://0060-policy-modules-system-systemd-make-_systemd_t-MLS-tr.patch \ file://0061-policy-modules-system-logging-make-syslogd_runtime_t.patch \ + file://0062-systemd-systemd-resolved-is-linked-to-libselinux.patch \ + file://0063-sysnetwork-systemd-allow-DNS-resolution-over-io.syst.patch \ + file://0064-term-init-allow-systemd-to-watch-and-watch-reads-on-.patch \ + file://0065-systemd-add-file-transition-for-systemd-networkd-run.patch \ + file://0066-systemd-add-missing-file-context-for-run-systemd-net.patch \ + file://0067-systemd-add-file-contexts-for-systemd-network-genera.patch \ + file://0068-systemd-udev-allow-udev-to-read-systemd-networkd-run.patch \ " S = "${WORKDIR}/refpolicy" -- 2.25.1 |
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