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Packaging SELinux policy for FRR

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This commit is contained in:
Michal Ruprich 2022-07-28 13:35:19 +02:00
parent cba62cd207
commit 9408b0b09e
4 changed files with 371 additions and 2 deletions
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27
frr.fc Normal file
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@ -0,0 +1,27 @@
/usr/libexec/frr(/.*)? gen_context(system_u:object_r:frr_exec_t,s0)
/usr/lib/systemd/system/frr.* gen_context(system_u:object_r:frr_unit_file_t,s0)
/etc/frr(/.*)? gen_context(system_u:object_r:frr_conf_t,s0)
/var/log/frr(/.*)? gen_context(system_u:object_r:frr_log_t,s0)
/var/tmp/frr(/.*)? gen_context(system_u:object_r:frr_tmp_t,s0)
/var/lock/subsys/bfdd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/bgpd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/eigrpd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/fabricd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/isisd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/nhrpd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/ospf6d -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/ospfd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/pbrd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/pimd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/ripd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/ripngd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/staticd -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/lock/subsys/zebra -- gen_context(system_u:object_r:frr_lock_t,s0)
/var/run/frr(/.*)? gen_context(system_u:object_r:frr_var_run_t,s0)
/var/bin/vtysh -- gen_context(system_u:object_r:frr_exec_t,s0)

162
frr.if Normal file
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## <summary>policy for frr</summary>
########################################
## <summary>
## Execute frr_exec_t in the frr domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`frr_domtrans',`
gen_require(`
type frr_t, frr_exec_t;
')
corecmd_search_bin($1)
domtrans_pattern($1, frr_exec_t, frr_t)
')
######################################
## <summary>
## Execute frr in the caller domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`frr_exec',`
gen_require(`
type frr_exec_t;
')
corecmd_search_bin($1)
can_exec($1, frr_exec_t)
')
########################################
## <summary>
## Read frr's log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`frr_read_log',`
gen_require(`
type frr_log_t;
')
read_files_pattern($1, frr_log_t, frr_log_t)
optional_policy(`
logging_search_logs($1)
')
')
########################################
## <summary>
## Append to frr log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`frr_append_log',`
gen_require(`
type frr_log_t;
')
append_files_pattern($1, frr_log_t, frr_log_t)
optional_policy(`
logging_search_logs($1)
')
')
########################################
## <summary>
## Manage frr log files
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`frr_manage_log',`
gen_require(`
type frr_log_t;
')
manage_dirs_pattern($1, frr_log_t, frr_log_t)
manage_files_pattern($1, frr_log_t, frr_log_t)
manage_lnk_files_pattern($1, frr_log_t, frr_log_t)
optional_policy(`
logging_search_logs($1)
')
')
########################################
## <summary>
## Read frr PID files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`frr_read_pid_files',`
gen_require(`
type frr_var_run_t;
')
files_search_pids($1)
read_files_pattern($1, frr_var_run_t, frr_var_run_t)
')
########################################
## <summary>
## All of the rules required to administrate
## an frr environment
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`frr_admin',`
gen_require(`
type frr_t;
type frr_log_t;
type frr_var_run_t;
')
allow $1 frr_t:process { signal_perms };
ps_process_pattern($1, frr_t)
tunable_policy(`deny_ptrace',`',`
allow $1 frr_t:process ptrace;
')
admin_pattern($1, frr_log_t)
files_search_pids($1)
admin_pattern($1, frr_var_run_t)
optional_policy(`
logging_search_logs($1)
')
optional_policy(`
systemd_passwd_agent_exec($1)
systemd_read_fifo_file_passwd_run($1)
')
')

70
frr.spec
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@ -1,17 +1,23 @@
%global frr_libdir %{_libexecdir}/frr
%global _hardened_build 1
%global selinuxtype targeted
%define _legacy_common_support 1
%bcond_without selinux
Name: frr
Version: 8.2.2
Release: 4%{?dist}
Release: 5%{?dist}
Summary: Routing daemon
License: GPLv2+
URL: http://www.frrouting.org
Source0: https://github.com/FRRouting/frr/releases/download/%{name}-%{version}/%{name}-%{version}.tar.gz
Source1: %{name}-tmpfiles.conf
Source2: %{name}-sysusers.conf
#Decentralized SELinux policy
Source3: frr.fc
Source4: frr.te
Source5: frr.if
Patch0000: 0000-remove-babeld-and-ldpd.patch
Patch0002: 0002-enable-openssl.patch
@ -58,6 +64,11 @@ Requires(post): hostname
Requires(post): systemd
Requires(postun): systemd
Requires(preun): systemd
%if 0%{?with_selinux}
Requires: (%{name}-selinux if selinux-policy-%{selinuxtype})
%endif
Obsoletes: quagga < 1.2.4-17
Provides: routingdaemon = %{version}-%{release}
@ -70,8 +81,25 @@ FRRouting supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP
FRRouting is a fork of Quagga.
%if 0%{?with_selinux}
%package selinux
Summary: Selinux policy for FRR
BuildArch: noarch
Requires: selinux-policy-%{selinuxtype}
Requires(post): selinux-policy-%{selinuxtype}
BuildRequires: selinux-policy-devel
%{?selinux_requires}
%description selinux
SELinux policy modules for FRR package
%endif
%prep
%autosetup -S git
#Selinux
mkdir selinux
cp -p %{SOURCE3} %{SOURCE4} %{SOURCE5} selinux
%build
autoreconf -ivf
@ -106,6 +134,12 @@ autoreconf -ivf
# Build info documentation
%make_build -C doc info
#SELinux policy
%if 0%{?with_selinux}
make -C selinux -f %{_datadir}/selinux/devel/Makefile %{name}.pp
bzip2 -9 selinux/%{name}.pp
%endif
%install
mkdir -p %{buildroot}%{_sysconfdir}/{frr,rc.d/init.d,sysconfig,logrotate.d,pam.d,default} \
%{buildroot}%{_localstatedir}/log/frr %{buildroot}%{_infodir} \
@ -132,6 +166,12 @@ install -p -m 644 redhat/frr.logrotate %{buildroot}%{_sysconfdir}/logrotate.d/fr
install -p -m 644 redhat/frr.pam %{buildroot}%{_sysconfdir}/pam.d/frr
install -d -m 775 %{buildroot}/run/frr
%if 0%{?with_selinux}
install -D -m 644 selinux/%{name}.pp.bz2 \
%{buildroot}%{_datadir}/selinux/packages/%{selinuxtype}/%{name}.pp.bz2
install -D -m 644 selinux/%{name}.if %{buildroot}%{_datadir}/selinux/devel/include/distributed/%{name}.if
%endif
# Delete libtool archives
find %{buildroot} -type f -name "*.la" -delete -print
@ -142,7 +182,6 @@ rm -r %{buildroot}%{_includedir}/frr/
%pre
%sysusers_create_compat %{SOURCE2}
%post
%systemd_post frr.service
@ -166,6 +205,23 @@ fi
%preun
%systemd_preun frr.service
#SELinux
%if 0%{?with_selinux}
%pre selinux
%selinux_relabel_pre -s %{selinuxtype}
%post selinux
%selinux_modules_install -s %{selinuxtype} %{_datadir}/selinux/packages/%{selinuxtype}/%{name}.pp.bz2
%selinux_relabel_post -s %{selinuxtype}
%postun selinux
if [ $1 -eq 0 ]; then
%selinux_modules_uninstall -s %{selinuxtype} %{name}
%selinux_relabel_post -s %{selinuxtype}
fi
%endif
%check
#this should be temporary, the grpc test is just badly designed
rm tests/lib/*grpc*
@ -195,7 +251,17 @@ rm tests/lib/*grpc*
%{_tmpfilesdir}/%{name}.conf
%{_sysusersdir}/%{name}.conf
%if 0%{?with_selinux}
%files selinux
%{_datadir}/selinux/packages/%{selinuxtype}/%{name}.pp.*
%{_datadir}/selinux/devel/include/distributed/%{name}.if
%ghost %verify(not md5 size mode mtime) %{_sharedstatedir}/selinux/%{selinuxtype}/active/modules/200/%{name}
%endif
%changelog
* Wed Jun 15 2022 Michal Ruprich - 8.2.2-5
- Packaging SELinux policy for FRR
* Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 8.2.2-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

114
frr.te Normal file
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policy_module(frr, 1.0.0)
########################################
#
# Declarations
#
type frr_t;
type frr_exec_t;
init_daemon_domain(frr_t, frr_exec_t)
type frr_log_t;
logging_log_file(frr_log_t)
type frr_tmp_t;
files_tmp_file(frr_tmp_t)
type frr_lock_t;
files_lock_file(frr_lock_t)
type frr_conf_t;
files_config_file(frr_conf_t)
type frr_unit_file_t;
systemd_unit_file(frr_unit_file_t)
type frr_var_run_t;
files_pid_file(frr_var_run_t)
########################################
#
# frr local policy
#
allow frr_t self:capability { chown dac_override dac_read_search kill net_bind_service net_raw setgid setuid };
allow frr_t self:netlink_route_socket rw_netlink_socket_perms;
allow frr_t self:packet_socket create;
allow frr_t self:process { setcap setpgid };
allow frr_t self:rawip_socket create_socket_perms;
allow frr_t self:tcp_socket { connect connected_stream_socket_perms };
allow frr_t self:udp_socket create_socket_perms;
allow frr_t self:unix_stream_socket connectto;
allow frr_t frr_conf_t:dir list_dir_perms;
manage_files_pattern(frr_t, frr_conf_t, frr_conf_t)
read_lnk_files_pattern(frr_t, frr_conf_t, frr_conf_t)
manage_dirs_pattern(frr_t, frr_log_t, frr_log_t)
manage_files_pattern(frr_t, frr_log_t, frr_log_t)
manage_lnk_files_pattern(frr_t, frr_log_t, frr_log_t)
logging_log_filetrans(frr_t, frr_log_t, { dir file lnk_file })
allow frr_t frr_tmp_t:file map;
manage_dirs_pattern(frr_t, frr_tmp_t, frr_tmp_t)
manage_files_pattern(frr_t, frr_tmp_t, frr_tmp_t)
files_tmp_filetrans(frr_t, frr_tmp_t, { file dir })
manage_files_pattern(frr_t, frr_lock_t, frr_lock_t)
manage_lnk_files_pattern(frr_t, frr_lock_t, frr_lock_t)
files_lock_filetrans(frr_t, frr_lock_t, { file lnk_file })
manage_dirs_pattern(frr_t, frr_var_run_t, frr_var_run_t)
manage_files_pattern(frr_t, frr_var_run_t, frr_var_run_t)
manage_lnk_files_pattern(frr_t, frr_var_run_t, frr_var_run_t)
manage_sock_files_pattern(frr_t, frr_var_run_t, frr_var_run_t)
files_pid_filetrans(frr_t, frr_var_run_t, { dir file lnk_file })
allow frr_t frr_exec_t:dir search_dir_perms;
can_exec(frr_t, frr_exec_t)
kernel_read_network_state(frr_t)
kernel_read_net_sysctls(frr_t)
kernel_read_system_state(frr_t)
auth_use_nsswitch(frr_t)
corecmd_exec_bin(frr_t)
corenet_tcp_bind_appswitch_emp_port(frr_t)
corenet_udp_bind_bfd_control_port(frr_t)
corenet_udp_bind_bfd_echo_port(frr_t)
corenet_udp_bind_bfd_multi_port(frr_t)
corenet_tcp_bind_bgp_port(frr_t)
corenet_tcp_bind_cmadmin_port(frr_t)
corenet_udp_bind_cmadmin_port(frr_t)
corenet_tcp_bind_firepower_port(frr_t)
corenet_tcp_bind_priority_e_com_port(frr_t)
corenet_udp_bind_router_port(frr_t)
corenet_tcp_bind_qpasa_agent_port(frr_t)
corenet_tcp_bind_smntubootstrap_port(frr_t)
corenet_tcp_bind_versa_tek_port(frr_t)
corenet_tcp_bind_zebra_port(frr_t)
domain_use_interactive_fds(frr_t)
fs_read_nsfs_files(frr_t)
sysnet_exec_ifconfig(frr_t)
userdom_read_admin_home_files(frr_t)
optional_policy(`
logging_send_syslog_msg(frr_t)
')
optional_policy(`
modutils_exec_kmod(frr_t)
modutils_getattr_module_deps(frr_t)
modutils_read_module_config(frr_t)
modutils_read_module_deps_files(frr_t)
')
optional_policy(`
networkmanager_read_state(frr_t)
')