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* [PATCH RFC] soundserver policy modification
@ 2007-07-31  9:24 Ken YANG
  2007-08-01  1:59 ` Ken YANG
  0 siblings, 1 reply; 2+ messages in thread
From: Ken YANG @ 2007-07-31  9:24 UTC (permalink / raw)
  To: SELinux List

[-- Attachment #1: Type: text/plain, Size: 632 bytes --]


hi all,

i add some policy for nas(network audio system),
the drive of this modification is:

http://marc.info/?l=fedora-selinux-list&m=118493958413746&w=2

i post the modification to fedora-selinux-list
at last Saturday. Considering that fedora rawhide
policy now is merged version(strict and targeted),
which is somewhat different from the upstream policy,
so i post to that list:

http://marc.info/?l=fedora-selinux-list&m=118561164825982&w=2

but there wasnt reply about this patch until now,
so i think i post to the wrong place, then i "diff" with
the upstream policy(2377).

please review this patch.


thanks in advance.



[-- Attachment #2: soundserver-2377.patch --]
[-- Type: text/x-patch, Size: 4766 bytes --]

diff -Nur svn/policy/modules/services/soundserver.fc svn-soundserver/policy/modules/services/soundserver.fc
--- svn/policy/modules/services/soundserver.fc	2007-04-16 14:55:31.000000000 +0800
+++ svn-soundserver/policy/modules/services/soundserver.fc	2007-07-28 15:42:24.000000000 +0800
@@ -1,10 +1,28 @@
-/etc/nas(/.*)?			gen_context(system_u:object_r:soundd_etc_t,s0)
 /etc/yiff(/.*)?			gen_context(system_u:object_r:soundd_etc_t,s0)
-
-/usr/bin/nasd		--	gen_context(system_u:object_r:soundd_exec_t,s0)
 /usr/bin/gpe-soundserver --	gen_context(system_u:object_r:soundd_exec_t,s0)
-
 /usr/sbin/yiff		--	gen_context(system_u:object_r:soundd_exec_t,s0)
-
 /var/run/yiff-[0-9]+\.pid --	gen_context(system_u:object_r:soundd_var_run_t,s0)
 /var/state/yiff(/.*)?		gen_context(system_u:object_r:soundd_state_t,s0)
+
+
+#
+# Following is for nas
+
+#
+# /usr/bin
+#
+
+/usr/bin/nasd		--	gen_context(system_u:object_r:soundd_exec_t,s0)
+
+
+# 
+# /tmp
+#
+/tmp/\.sockets		-d	gen_context(system_u:object_r:soundd_tmp_t,s0)
+/tmp/\.sockets/.*	-s	<<none>>
+
+#
+# /etc
+#
+/etc/nas(/.*)?			gen_context(system_u:object_r:soundd_etc_t,s0)
+
diff -Nur svn/policy/modules/services/soundserver.if svn-soundserver/policy/modules/services/soundserver.if
--- svn/policy/modules/services/soundserver.if	2007-04-16 14:55:35.000000000 +0800
+++ svn-soundserver/policy/modules/services/soundserver.if	2007-07-28 14:02:35.000000000 +0800
@@ -13,3 +13,64 @@
 interface(`soundserver_tcp_connect',`
 	refpolicywarn(`$0($*) has been deprecated.')
 ')
+
+
+########################################
+## <summary>
+##	Execute a domain transition to run soundserver.
+## </summary>
+## <param name="domain">
+## <summary>
+##	Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`soundserver_domtrans',`
+	gen_require(`
+		type soundd_t, soundd_exec_t;
+	')
+
+	domain_auto_trans($1,soundd_exec_t,soundd_t)
+
+	allow soundd_t $1:fd use;
+	allow soundd_t $1:fifo_file rw_file_perms;
+	allow soundd_t $1:process sigchld;
+')
+
+########################################
+## <summary>
+##	Do not audit attempts to read, 
+##	soundserver tmp files
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain to not audit.
+##	</summary>
+## </param>
+#
+interface(`soundserver_dontaudit_read_tmp_files',`
+	gen_require(`
+		type soundd_tmp_t;
+	')
+
+	dontaudit $1 soundd_tmp_t:file r_file_perms;
+')
+
+########################################
+## <summary>
+##	Allow domain to read, soundserver tmp files
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain to not audit.
+##	</summary>
+## </param>
+#
+interface(`soundserver_read_tmp_files',`
+	gen_require(`
+		type soundd_tmp_t;
+	')
+
+	dontaudit $1 soundd_tmp_t:file r_file_perms;
+')
+
diff -Nur svn/policy/modules/services/soundserver.te svn-soundserver/policy/modules/services/soundserver.te
--- svn/policy/modules/services/soundserver.te	2007-07-03 15:26:28.000000000 +0800
+++ svn-soundserver/policy/modules/services/soundserver.te	2007-07-31 17:06:34.000000000 +0800
@@ -1,5 +1,5 @@
 
-policy_module(soundserver,1.3.0)
+policy_module(soundserver,1.3.1)
 
 ########################################
 #
@@ -8,10 +8,13 @@
 
 type soundd_t;
 type soundd_exec_t;
+domain_type(soundd_t)
+domain_entry_file(soundd_t,soundd_exec_t)
 init_daemon_domain(soundd_t,soundd_exec_t)
 
 type soundd_etc_t alias etc_soundd_t;
-files_type(soundd_etc_t)
+#files_type(soundd_etc_t)
+files_config_file(soundd_etc_t)
 
 type soundd_state_t;
 files_type(soundd_state_t)
@@ -28,13 +31,32 @@
 
 ########################################
 #
-# Declarations
+# sound server local policy
 #
 
 dontaudit soundd_t self:capability sys_tty_config;
 allow soundd_t self:process { setpgid signal_perms };
+
 allow soundd_t self:tcp_socket create_stream_socket_perms;
 allow soundd_t self:udp_socket create_socket_perms;
+
+allow soundd_t self:unix_stream_socket { connectto create_stream_socket_perms };
+manage_sock_files_pattern(soundd_t,soundd_tmp_t,soundd_tmp_t)
+files_tmp_filetrans(soundd_t, soundd_tmp_t, { file dir sock_file })
+
+
+# Remove /tmp/.sockets/audio$n
+delete_files_pattern(soundd_t,soundd_tmp_t,soundd_tmp_t)
+delete_sock_files_pattern(soundd_t,soundd_tmp_t,soundd_tmp_t)
+
+allow soundd_t self:capability { dac_override };
+
+fs_getattr_all_fs(soundd_t)
+
+optional_policy(`
+	alsa_domtrans(soundd_t)
+')
+
 # for yiff
 allow soundd_t self:shm create_shm_perms;
 
@@ -98,12 +120,6 @@
 userdom_dontaudit_use_unpriv_user_fds(soundd_t)
 userdom_dontaudit_search_sysadm_home_dirs(soundd_t)
 
-ifdef(`targeted_policy',`
-	term_dontaudit_use_unallocated_ttys(soundd_t)
-	term_dontaudit_use_generic_ptys(soundd_t)
-	files_dontaudit_read_root_files(soundd_t)
-')
-
 optional_policy(`
 	seutil_sigchld_newrole(soundd_t)
 ')

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2007-07-31  9:24 [PATCH RFC] soundserver policy modification Ken YANG
2007-08-01  1:59 ` Ken YANG

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