2011-09-27 15:16:13 +00:00
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diff --git a/policy/modules/apps/mozilla.te b/policy/modules/apps/mozilla.te
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index 68929b9..3370160 100644
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--- a/policy/modules/apps/mozilla.te
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+++ b/policy/modules/apps/mozilla.te
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@@ -116,6 +116,7 @@ corenet_tcp_sendrecv_http_cache_port(mozilla_t)
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corenet_tcp_sendrecv_squid_port(mozilla_t)
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corenet_tcp_connect_flash_port(mozilla_t)
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corenet_tcp_sendrecv_ftp_port(mozilla_t)
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2011-09-27 17:22:20 +00:00
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+corenet_tcp_connect_ephemeral_port(mozilla_t)
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2011-09-27 15:16:13 +00:00
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corenet_tcp_sendrecv_ipp_port(mozilla_t)
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corenet_tcp_connect_http_port(mozilla_t)
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corenet_tcp_connect_http_cache_port(mozilla_t)
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diff --git a/policy/modules/apps/sandbox.te b/policy/modules/apps/sandbox.te
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index 31c02d2..f61ee10 100644
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--- a/policy/modules/apps/sandbox.te
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+++ b/policy/modules/apps/sandbox.te
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@@ -382,6 +382,7 @@ corenet_tcp_connect_http_cache_port(sandbox_web_type)
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corenet_tcp_connect_squid_port(sandbox_web_type)
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corenet_tcp_connect_flash_port(sandbox_web_type)
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corenet_tcp_connect_ftp_port(sandbox_web_type)
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2011-09-27 17:22:20 +00:00
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+corenet_tcp_connect_ephemeral_port(sandbox_web_type)
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2011-09-27 15:16:13 +00:00
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corenet_tcp_connect_ipp_port(sandbox_web_type)
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corenet_tcp_connect_streaming_port(sandbox_web_type)
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corenet_tcp_connect_pulseaudio_port(sandbox_web_type)
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diff --git a/policy/modules/kernel/corenetwork.if.in b/policy/modules/kernel/corenetwork.if.in
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index 5a41e58..54e4c81 100644
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--- a/policy/modules/kernel/corenetwork.if.in
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+++ b/policy/modules/kernel/corenetwork.if.in
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@@ -2269,6 +2269,42 @@ interface(`corenet_udp_bind_all_unreserved_ports',`
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########################################
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## <summary>
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+## Bind TCP sockets to all ports > 32768.
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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(`corenet_tcp_bind_all_ephemeral_ports',`
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+ gen_require(`
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+ attribute ephemeral_port_type;
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+ ')
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+
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+ allow $1 ephemeral_port_type:tcp_socket name_bind;
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+')
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+
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+########################################
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+## <summary>
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+## Bind UDP sockets to all ports > 32768.
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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(`corenet_udp_bind_all_ephemeral_ports',`
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+ gen_require(`
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+ attribute ephemeral_port_type;
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+ ')
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+
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+ allow $1 ephemeral_port_type:udp_socket name_bind;
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+')
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+
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+########################################
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+## <summary>
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## Connect DCCP sockets to reserved ports.
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## </summary>
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## <param name="domain">
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@@ -2341,6 +2377,24 @@ interface(`corenet_tcp_connect_all_unreserved_ports',`
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########################################
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## <summary>
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+## Connect TCP sockets to all ports > 32768.
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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(`corenet_tcp_connect_all_ephemeral_ports',`
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+ gen_require(`
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+ attribute ephemeral_port_type;
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+ ')
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+
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+ allow $1 ephemeral_port_type:tcp_socket name_connect;
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+')
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+
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+########################################
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+## <summary>
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## Do not audit attempts to connect DCCP sockets
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## all reserved ports.
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## </summary>
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2011-09-27 14:16:54 +00:00
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diff --git a/policy/modules/kernel/corenetwork.te.in b/policy/modules/kernel/corenetwork.te.in
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2011-09-27 15:16:13 +00:00
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index 5287f7a..f65fb75 100644
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2011-09-27 14:16:54 +00:00
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--- a/policy/modules/kernel/corenetwork.te.in
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+++ b/policy/modules/kernel/corenetwork.te.in
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2011-09-27 15:16:13 +00:00
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@@ -14,6 +14,7 @@ attribute port_type;
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attribute defined_port_type;
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attribute reserved_port_type;
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attribute unreserved_port_type;
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+attribute ephemeral_port_type;
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attribute rpc_port_type;
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attribute server_packet_type;
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@@ -66,11 +67,17 @@ type port_t, port_type;
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2011-09-27 14:16:54 +00:00
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sid port gen_context(system_u:object_r:port_t,s0)
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#
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-# port_t is the default type of INET port numbers.
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+# unreserved_port_t is the default type of port numbers > 1024 and non ephemeral
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#
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type unreserved_port_t, port_type, unreserved_port_type;
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#
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+# ephemeral_port_t is the default type of ephemeral port numbers.
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+# cat /proc/sys/net/ipv4/ip_local_port_range
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+#
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2011-09-27 15:16:13 +00:00
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+type ephemeral_port_t, port_type, ephemeral_port_type;
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2011-09-27 14:16:54 +00:00
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+
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+#
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# reserved_port_t is the type of INET port numbers below 1024.
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#
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type reserved_port_t, port_type, reserved_port_type;
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2011-09-27 15:16:13 +00:00
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@@ -293,9 +300,12 @@ portcon tcp 512-1023 gen_context(system_u:object_r:hi_reserved_port_t, s0)
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2011-09-27 14:16:54 +00:00
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portcon udp 512-1023 gen_context(system_u:object_r:hi_reserved_port_t, s0)
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portcon tcp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
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portcon udp 1-511 gen_context(system_u:object_r:reserved_port_t, s0)
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-portcon udp 1024-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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-portcon tcp 1024-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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-
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+portcon tcp 1024-32767 gen_context(system_u:object_r:unreserved_port_t, s0)
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+portcon tcp 32768-61000 gen_context(system_u:object_r:ephemeral_port_t, s0)
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+portcon tcp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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+portcon udp 1024-32767 gen_context(system_u:object_r:unreserved_port_t, s0)
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+portcon udp 32768-61000 gen_context(system_u:object_r:ephemeral_port_t, s0)
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2011-09-27 17:06:41 +00:00
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+portcon udp 61001-65535 gen_context(system_u:object_r:unreserved_port_t, s0)
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2011-09-27 14:16:54 +00:00
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########################################
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#
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# Network nodes
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2011-09-27 15:16:13 +00:00
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diff --git a/policy/modules/kernel/corenetwork.te.m4 b/policy/modules/kernel/corenetwork.te.m4
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index 49f27ca..e8acd10 100644
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--- a/policy/modules/kernel/corenetwork.te.m4
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+++ b/policy/modules/kernel/corenetwork.te.m4
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@@ -81,7 +81,13 @@ declare_nodes($1_node_t,shift($*))
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define(`declare_ports',`dnl
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ifelse(eval(range_start($3) < 1024),1,`typeattribute $1 reserved_port_type;
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ifelse(eval(range_start($3) >= 512),1,`typeattribute $1 rpc_port_type;',`dnl')
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-',`typeattribute $1 unreserved_port_type;')
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+',`
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+ifelse(eval(range_start($3) < 32768),1,`typeattribute $1 unreserved_port_type;',`
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+ ifelse(eval(range_start($3) > 61001),1,`typeattribute $1 unreserved_port_type;',`
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+ typeattribute $1 ephemeral_port_type;
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+ ')
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+ ')
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+')
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portcon $2 $3 gen_context(system_u:object_r:$1,$4)
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ifelse(`$5',`',`',`declare_ports($1,shiftn(4,$*))')dnl
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')
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diff --git a/policy/modules/services/apache.te b/policy/modules/services/apache.te
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index 8596b90..9f37c11 100644
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--- a/policy/modules/services/apache.te
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+++ b/policy/modules/services/apache.te
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@@ -137,6 +137,14 @@ gen_tunable(httpd_enable_ftp_server, false)
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## <desc>
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## <p>
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+## Allow httpd to act as a FTP client
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+## connecting to the ftp port and ephemeral ports
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+## </p>
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+## </desc>
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+gen_tunable(httpd_can_connect_ftp, false)
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+
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+## <desc>
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+## <p>
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## Allow httpd to read home directories
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## </p>
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## </desc>
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@@ -583,6 +591,7 @@ tunable_policy(`httpd_can_network_relay',`
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corenet_sendrecv_http_client_packets(httpd_t)
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corenet_sendrecv_http_cache_client_packets(httpd_t)
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corenet_sendrecv_squid_client_packets(httpd_t)
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2011-09-27 17:32:07 +00:00
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+ corenet_tcp_connect_ephermeral_port(httpd_t)
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2011-09-27 15:16:13 +00:00
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')
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tunable_policy(`httpd_execmem',`
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@@ -621,8 +630,14 @@ tunable_policy(`httpd_enable_cgi && httpd_unified && httpd_builtin_scripting',`
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manage_lnk_files_pattern(httpd_t, httpdcontent, httpdcontent)
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')
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+tunable_policy(`httpd_can_network_connect_ftp',`
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+ corenet_tcp_connect_ftp_port(httpd_t)
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2011-09-27 17:32:07 +00:00
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+ corenet_tcp_connect_ephemeral_port(httpd_t)
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2011-09-27 15:16:13 +00:00
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+')
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+
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tunable_policy(`httpd_enable_ftp_server',`
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corenet_tcp_bind_ftp_port(httpd_t)
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2011-09-27 17:22:20 +00:00
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+ corenet_tcp_bind_ephemeral_port(httpd_t)
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2011-09-27 15:16:13 +00:00
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')
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tunable_policy(`httpd_tmp_exec && httpd_builtin_scripting',`
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diff --git a/policy/modules/services/cobbler.te b/policy/modules/services/cobbler.te
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index 2607914..cb33e76 100644
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--- a/policy/modules/services/cobbler.te
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+++ b/policy/modules/services/cobbler.te
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@@ -110,6 +110,7 @@ corenet_tcp_sendrecv_generic_port(cobblerd_t)
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corenet_tcp_sendrecv_cobbler_port(cobblerd_t)
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# sync and rsync to ftp and http are permitted by default, for any other media use cobbler_can_network_connect.
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corenet_tcp_connect_ftp_port(cobblerd_t)
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2011-09-27 17:22:20 +00:00
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+corenet_tcp_connect_ephemeral_port(ftpd_t)
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2011-09-27 15:16:13 +00:00
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corenet_tcp_sendrecv_ftp_port(cobblerd_t)
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corenet_sendrecv_ftp_client_packets(cobblerd_t)
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corenet_tcp_connect_http_port(cobblerd_t)
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diff --git a/policy/modules/services/ftp.te b/policy/modules/services/ftp.te
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index 9a1355e..f807210 100644
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--- a/policy/modules/services/ftp.te
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+++ b/policy/modules/services/ftp.te
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@@ -218,9 +218,8 @@ corenet_tcp_bind_generic_node(ftpd_t)
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corenet_tcp_bind_ftp_port(ftpd_t)
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corenet_tcp_bind_ftp_data_port(ftpd_t)
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corenet_tcp_bind_generic_port(ftpd_t)
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-corenet_tcp_bind_all_unreserved_ports(ftpd_t)
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-corenet_dontaudit_tcp_bind_all_ports(ftpd_t)
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-corenet_tcp_connect_all_ports(ftpd_t)
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+corenet_tcp_bind_all_ephemeral_ports(ftpd_t)
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+corenet_tcp_connect_all_ephemeral_ports(ftpd_t)
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corenet_sendrecv_ftp_server_packets(ftpd_t)
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domain_use_interactive_fds(ftpd_t)
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diff --git a/policy/modules/services/mock.te b/policy/modules/services/mock.te
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index 1b9893a..a8eaa4d 100644
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--- a/policy/modules/services/mock.te
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+++ b/policy/modules/services/mock.te
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@@ -87,7 +87,7 @@ corecmd_dontaudit_exec_all_executables(mock_t)
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corenet_tcp_connect_http_port(mock_t)
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corenet_tcp_connect_ftp_port(mock_t)
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-corenet_tcp_connect_all_unreserved_ports(mock_t)
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2011-09-27 17:22:20 +00:00
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+corenet_tcp_connect_ephemeral_port(mock_t)
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2011-09-27 15:16:13 +00:00
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dev_read_urand(mock_t)
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dev_read_sysfs(mock_t)
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