[V3] selinux-testsuite: Add nftables to inet_socket and sctp tests

Message ID	20200515145339.189099-1-richard_c_haines@btinternet.com (mailing list archive)
State	Changes Requested
Delegated to:	Ondrej Mosnáček
Headers	show Return-Path: <SRS0=yRyW=65=vger.kernel.org=selinux-owner@kernel.org> From: Richard Haines <richard_c_haines@btinternet.com> To: omosnace@redhat.com, selinux@vger.kernel.org Cc: Richard Haines <richard_c_haines@btinternet.com> Subject: [PATCH V3] selinux-testsuite: Add nftables to inet_socket and sctp tests Date: Fri, 15 May 2020 15:53:39 +0100 Message-Id: <20200515145339.189099-1-richard_c_haines@btinternet.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: selinux-owner@vger.kernel.org Precedence: bulk
Series	[V3] selinux-testsuite: Add nftables to inet_socket and sctp tests \| expand [V3] selinux-testsuite: Add nftables to inet_socket and sctp tests

diff --git a/README.md b/README.md index 1f7e5d9..d65e9b8 100644 --- a/README.md +++ b/README.md @@ -57,6 +57,7 @@ similar dependencies): * keyutils-libs-devel _(tools used by the keys tests)_ * kernel-devel _(used by the kernel module tests)_ * quota, xfsprogs-devel and libuuid-devel _(used by the filesystem tests)_ +* nftables _(used by inet_socket and sctp tests if ver >= 9.3 for secmark testing )_ On a modern Fedora system you can install these dependencies with the following command: @@ -77,7 +78,8 @@ following command: kernel-devel \ quota \ xfsprogs-devel \ - libuuid-devel + libuuid-devel \ + nftables #### Debian diff --git a/tests/inet_socket/nftables-flush b/tests/inet_socket/nftables-flush new file mode 100644 index 0000000..7d62b8d --- /dev/null +++ b/tests/inet_socket/nftables-flush @@ -0,0 +1,2 @@ +delete table ip security +delete table ip6 security diff --git a/tests/inet_socket/nftables-load b/tests/inet_socket/nftables-load new file mode 100644 index 0000000..11ec382 --- /dev/null +++ b/tests/inet_socket/nftables-load @@ -0,0 +1,74 @@ +# Based on NFT project example. Requires kernel >= 4.20 and nft >= 0.9.3 + +add table ip security +add table ip6 security + +table ip security { + + secmark inet_server { + "system_u:object_r:test_server_packet_t:s0" + } + + map secmapping_in_out { + type inet_service : secmark + elements = { 65535 : "inet_server" } + } + + chain input { + type filter hook input priority 0; + + # label new incoming packets and add to connection + ct state new meta secmark set tcp dport map @secmapping_in_out + ct state new meta secmark set udp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + # set label for est/rel packets from connection + ct state established,related meta secmark set ct secmark + } + + chain output { + type filter hook output priority 0; + + # label new outgoing packets and add to connection + ct state new meta secmark set tcp dport map @secmapping_in_out + # 'established' is used here so that the error return is the + # same as the 'iptables-load' tests (no reply from server) + ct state established meta secmark set udp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + # set label for est/rel packets from connection + ct state established,related meta secmark set ct secmark + } +} + +table ip6 security { + + secmark inet_server { + "system_u:object_r:test_server_packet_t:s0" + } + + map secmapping_in_out { + type inet_service : secmark + elements = { 65535 : "inet_server" } + } + + chain input { + type filter hook input priority 0; + + ct state new meta secmark set tcp dport map @secmapping_in_out + ct state new meta secmark set udp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + ct state established,related meta secmark set ct secmark + } + + chain output { + type filter hook output priority 0; + + ct state new meta secmark set tcp dport map @secmapping_in_out + ct state established meta secmark set udp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + ct state established,related meta secmark set ct secmark + } +} diff --git a/tests/inet_socket/test b/tests/inet_socket/test index 47ce106..c2ad1ce 100755 --- a/tests/inet_socket/test +++ b/tests/inet_socket/test @@ -27,6 +27,19 @@ BEGIN { $test_calipso_stream = 1; } + # Determine nftables version, must be >= 0.9.3 for secmark support + # with kernel >= 4.20 + $test_nft = 0; + $nft = `nft -v`; + $nft =~ s/\D//g; + $kverminstream = "4.20"; + + $rc = `$basedir/../kvercmp $kvercur $kverminstream`; + if ( $nft gt "092" and $rc > 0 ) { + $test_count += 8; + $test_nft = 1; + } + plan tests => $test_count; } @@ -348,64 +361,76 @@ if ($test_ipsec) { system "/bin/sh $basedir/ipsec-flush"; } -# Load iptables (IPv4 & IPv6) configuration. -system "/bin/sh $basedir/iptables-load"; +# +################## Test iptables/nftables configuration ###################### +# +sub test_tables { -# Start the stream server. -$pid = server_start( "-t test_inet_server_t", "-n stream 65535" ); + # Start the stream server. + $pid = server_start( "-t test_inet_server_t", "-n stream 65535" ); -# Verify that authorized client can communicate with the server. -$result = system + # Verify that authorized client can communicate with the server. + $result = system "runcon -t test_inet_client_t -- $basedir/client -e nopeer stream 127.0.0.1 65535"; -ok( $result eq 0 ); + ok( $result eq 0 ); -# Verify that unauthorized client cannot communicate with the server. -$result = system + # Verify that unauthorized client cannot communicate with the server. + $result = system "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer stream 127.0.0.1 65535 2>&1"; -ok( $result >> 8 eq 5 ); + ok( $result >> 8 eq 5 ); -# Verify that authorized client can communicate with the server. -$result = system - "runcon -t test_inet_client_t -- $basedir/client -e nopeer stream ::1 65535"; -ok( $result eq 0 ); + # Verify that authorized client can communicate with the server. + $result = system +"runcon -t test_inet_client_t -- $basedir/client -e nopeer stream ::1 65535"; + ok( $result eq 0 ); -# Verify that unauthorized client cannot communicate with the server. -$result = system + # Verify that unauthorized client cannot communicate with the server. + $result = system "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer stream ::1 65535 2>&1"; -ok( $result >> 8 eq 5 ); + ok( $result >> 8 eq 5 ); -# Kill the server. -server_end($pid); + # Kill the server. + server_end($pid); -# Start the dgram server. -$pid = server_start( "-t test_inet_server_t", "-n dgram 65535" ); + # Start the dgram server. + $pid = server_start( "-t test_inet_server_t", "-n dgram 65535" ); -# Verify that authorized client can communicate with the server. -$result = system + # Verify that authorized client can communicate with the server. + $result = system "runcon -t test_inet_client_t $basedir/client -e nopeer dgram 127.0.0.1 65535"; -ok( $result eq 0 ); + ok( $result eq 0 ); -# Verify that unauthorized client cannot communicate with the server. -$result = system + # Verify that unauthorized client cannot communicate with the server. + $result = system "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer dgram 127.0.0.1 65535 2>&1"; -ok( $result >> 8 eq 8 ); + ok( $result >> 8 eq 8 ); -# Verify that authorized client can communicate with the server. -$result = system - "runcon -t test_inet_client_t $basedir/client -e nopeer dgram ::1 65535"; -ok( $result eq 0 ); + # Verify that authorized client can communicate with the server. + $result = system + "runcon -t test_inet_client_t $basedir/client -e nopeer dgram ::1 65535"; + ok( $result eq 0 ); -# Verify that unauthorized client cannot communicate with the server. -$result = system + # Verify that unauthorized client cannot communicate with the server. + $result = system "runcon -t test_inet_bad_client_t -- $basedir/client -e nopeer dgram ::1 65535 2>&1"; -ok( $result >> 8 eq 8 ); + ok( $result >> 8 eq 8 ); -# Kill the server. -server_end($pid); + # Kill the server. + server_end($pid); +} -# Flush iptables configuration. +print "Testing iptables (IPv4/IPv6).\n"; +system "/bin/sh $basedir/iptables-load"; +test_tables(); system "/bin/sh $basedir/iptables-flush"; +if ($test_nft) { + print "Testing nftables (IPv4/IPv6).\n"; + system "nft -f $basedir/nftables-load"; + test_tables(); + system "nft -f $basedir/nftables-flush"; +} + if ($test_calipso_stream) { # Load NetLabel configuration for CALIPSO/IPv6 labeling over loopback. diff --git a/tests/sctp/nftables-flush b/tests/sctp/nftables-flush new file mode 100644 index 0000000..7d62b8d --- /dev/null +++ b/tests/sctp/nftables-flush @@ -0,0 +1,2 @@ +delete table ip security +delete table ip6 security diff --git a/tests/sctp/nftables-load b/tests/sctp/nftables-load new file mode 100644 index 0000000..2cac3bb --- /dev/null +++ b/tests/sctp/nftables-load @@ -0,0 +1,68 @@ +# Based on NFT project example. Requires kernel >= 4.20 and nft >= 0.9.3 + +add table ip security +add table ip6 security + +table ip security { + + secmark sctp_server { + "system_u:object_r:test_sctp_server_packet_t:s0" + } + + map secmapping_in_out { + type inet_service : secmark + elements = { 1035 : "sctp_server" } + } + + chain input { + type filter hook input priority 0; + + # label new incoming packets and add to connection + ct state new meta secmark set sctp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + # set label for est/rel packets from connection + ct state established,related meta secmark set ct secmark + } + + chain output { + type filter hook output priority 0; + + # label new outgoing packets and add to connection + ct state new meta secmark set sctp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + # set label for est/rel packets from connection + ct state established,related meta secmark set ct secmark + } +} + +table ip6 security { + + secmark sctp_server { + "system_u:object_r:test_sctp_server_packet_t:s0" + } + + map secmapping_in_out { + type inet_service : secmark + elements = { 1035 : "sctp_server" } + } + + chain input { + type filter hook input priority 0; + + ct state new meta secmark set sctp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + ct state established,related meta secmark set ct secmark + } + + chain output { + type filter hook output priority 0; + + ct state new meta secmark set sctp dport map @secmapping_in_out + ct state new ct secmark set meta secmark + + ct state established,related meta secmark set ct secmark + } +} diff --git a/tests/sctp/test b/tests/sctp/test index 6631da4..8305aba 100755 --- a/tests/sctp/test +++ b/tests/sctp/test @@ -56,6 +56,16 @@ BEGIN { $test_calipso = 1; } + # Determine nftables version, must be >= 0.9.3 for secmark support. + $test_nft = 0; + $nft = `nft -v`; + $nft =~ s/\D//g; + + if ( $nft gt "092" ) { + $test_count += 8; + $test_nft = 1; + } + plan tests => $test_count; } } @@ -749,64 +759,75 @@ if ($test_calipso) { } # -##################### Test iptables configuration ############################ +################## Test iptables/nftables configuration ###################### # -print "# Testing iptables (IPv4/IPv6).\n"; -system "/bin/sh $basedir/iptables-load"; +sub test_tables { -# Start the stream server. -$pid = - server_start( "-t test_sctp_server_t", "sctp_server", "$v -n stream 1035" ); + # Start the stream server. + $pid = server_start( "-t test_sctp_server_t", + "sctp_server", "$v -n stream 1035" ); -# Verify that authorized client can communicate with the server STREAM->STREAM. -$result = system + # Verify that authorized client can communicate with the server STREAM->STREAM. + $result = system "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer stream 127.0.0.1 1035"; -ok( $result eq 0 ); + ok( $result eq 0 ); # Verify that a client without peer { recv } permission cannot communicate with the server STREAM->STREAM. -$result = system + $result = system "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer stream 127.0.0.1 1035 2>&1"; -ok( $result >> 8 eq 6 ); + ok( $result >> 8 eq 6 ); -# Verify that authorized client can communicate with the server STREAM->STREAM. -$result = system + # Verify that authorized client can communicate with the server STREAM->STREAM. + $result = system "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer stream ::1 1035"; -ok( $result eq 0 ); + ok( $result eq 0 ); # Verify that a client without peer { recv } permission cannot communicate with the server STREAM->STREAM. -$result = system + $result = system "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer stream ::1 1035 2>&1"; -ok( $result >> 8 eq 6 ); + ok( $result >> 8 eq 6 ); -# Kill the stream server. -server_end($pid); + # Kill the stream server. + server_end($pid); -# Start the seq server. -$pid = server_start( "-t test_sctp_server_t", "sctp_server", "$v -n seq 1035" ); + # Start the seq server. + $pid = + server_start( "-t test_sctp_server_t", "sctp_server", "$v -n seq 1035" ); -# Verify that authorized client can communicate with the server SEQ->SEQ. -$result = system + # Verify that authorized client can communicate with the server SEQ->SEQ. + $result = system "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer seq 127.0.0.1 1035"; -ok( $result eq 0 ); + ok( $result eq 0 ); # Verify that a client without peer { recv } permission cannot communicate with the server SEQ->SEQ. -$result = system + $result = system "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer seq 127.0.0.1 1035 2>&1"; -ok( $result >> 8 eq 6 ); + ok( $result >> 8 eq 6 ); -# Verify that authorized client can communicate with the server SEQ->SEQ. -$result = system - "runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer seq ::1 1035"; -ok( $result eq 0 ); + # Verify that authorized client can communicate with the server SEQ->SEQ. + $result = system +"runcon -t test_sctp_client_t $basedir/sctp_client $v -e nopeer seq ::1 1035"; + ok( $result eq 0 ); # Verify that a client without peer { recv } permission cannot communicate with the server SEQ->SEQ. -$result = system + $result = system "runcon -t test_sctp_deny_peer_client_t -- $basedir/sctp_client $v -e nopeer seq ::1 1035 2>&1"; -ok( $result >> 8 eq 6 ); + ok( $result >> 8 eq 6 ); -# Kill the seq server. -server_end($pid); + # Kill the seq server. + server_end($pid); +} +print "# Testing iptables (IPv4/IPv6).\n"; +system "/bin/sh $basedir/iptables-load"; +test_tables(); system "/bin/sh $basedir/iptables-flush"; +if ($test_nft) { + print "# Testing nftables (IPv4/IPv6).\n"; + system "nft -f $basedir/nftables-load"; + test_tables(); + system "nft -f $basedir/nftables-flush"; +} + exit;

[V3] selinux-testsuite: Add nftables to inet_socket and sctp tests

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