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- Allow fprintd to access sys_ptrace

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- Add sandbox policy
This commit is contained in:
Daniel J Walsh 2009-05-20 17:28:24 +00:00
parent 9d1a7ed54e
commit eead2a6f25
3 changed files with 188 additions and 6 deletions
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7
modules-targeted.conf
View File

@ -1187,6 +1187,13 @@ rwho = module
#
samba = module
# Layer: apps
# Module: sandbox
#
# Experimental policy for running apps within a sandbox
#
sandbox = module
# Layer: apps
# Module: sambagui
#

180
policy-20090105.patch
View File

@ -4578,6 +4578,134 @@ diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/pol
+')
+
+permissive sambagui_t;
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/apps/sandbox.fc serefpolicy-3.6.12/policy/modules/apps/sandbox.fc
--- nsaserefpolicy/policy/modules/apps/sandbox.fc 1969-12-31 19:00:00.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/apps/sandbox.fc 2009-05-20 13:18:54.000000000 -0400
@@ -0,0 +1 @@
+# No types are sandbox_exec_t
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/apps/sandbox.if serefpolicy-3.6.12/policy/modules/apps/sandbox.if
--- nsaserefpolicy/policy/modules/apps/sandbox.if 1969-12-31 19:00:00.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/apps/sandbox.if 2009-05-20 13:19:04.000000000 -0400
@@ -0,0 +1,75 @@
+
+## <summary>policy for sandbox</summary>
+
+########################################
+## <summary>
+## Execute a domain transition to run sandbox.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`sandbox_domtrans',`
+ gen_require(`
+ type sandbox_t;
+ type sandbox_exec_t;
+ ')
+
+ domtrans_pattern($1,sandbox_exec_t,sandbox_t)
+')
+
+
+########################################
+## <summary>
+## Execute sandbox in the sandbox domain, and
+## allow the specified role the sandbox domain.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access
+## </summary>
+## </param>
+## <param name="role">
+## <summary>
+## The role to be allowed the sandbox domain.
+## </summary>
+## </param>
+#
+interface(`sandbox_run',`
+ gen_require(`
+ type sandbox_t;
+ ')
+
+ sandbox_domtrans($1)
+ role $2 types sandbox_t;
+')
+
+########################################
+## <summary>
+## Role access for sandbox
+## </summary>
+## <param name="role">
+## <summary>
+## Role allowed access
+## </summary>
+## </param>
+## <param name="domain">
+## <summary>
+## User domain for the role
+## </summary>
+## </param>
+#
+interface(`sandbox_role',`
+ gen_require(`
+ type sandbox_t;
+ ')
+
+ role $2 types sandbox_t;
+
+ sandbox_domtrans($1)
+
+ ps_process_pattern($2, sandbox_t)
+ allow $2 sandbox_t:process signal;
+')
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/apps/sandbox.te serefpolicy-3.6.12/policy/modules/apps/sandbox.te
--- nsaserefpolicy/policy/modules/apps/sandbox.te 1969-12-31 19:00:00.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/apps/sandbox.te 2009-05-20 13:27:01.000000000 -0400
@@ -0,0 +1,40 @@
+policy_module(sandbox,1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type sandbox_t;
+type sandbox_exec_t;
+application_domain(sandbox_t, sandbox_exec_t)
+init_daemon_domain(sandbox_t, sandbox_exec_t)
+role system_r types sandbox_t;
+
+type sandbox_file_t;
+files_type(sandbox_file_t)
+
+########################################
+#
+# sandbox local policy
+#
+
+## internal communication is often done using fifo and unix sockets.
+allow sandbox_t self:fifo_file rw_file_perms;
+allow sandbox_t self:unix_stream_socket create_stream_socket_perms;
+
+manage_dirs_pattern(sandbox_t, sandbox_file_t, sandbox_file_t)
+manage_files_pattern(sandbox_t, sandbox_file_t, sandbox_file_t)
+manage_lnk_files_pattern(sandbox_t, sandbox_file_t, sandbox_file_t)
+manage_fifo_files_pattern(sandbox_t, sandbox_file_t, sandbox_file_t)
+manage_sock_files_pattern(sandbox_t, sandbox_file_t, sandbox_file_t)
+
+files_rw_all_inherited_files(sandbox_t)
+files_entrypoint_all_files(sandbox_t)
+
+libs_use_ld_so(sandbox_t)
+libs_use_shared_libs(sandbox_t)
+
+miscfiles_read_localization(sandbox_t)
+
+userdom_use_user_ptys(sandbox_t)
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/apps/screen.fc serefpolicy-3.6.12/policy/modules/apps/screen.fc
--- nsaserefpolicy/policy/modules/apps/screen.fc 2008-11-11 16:13:42.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/apps/screen.fc 2009-05-12 15:30:13.000000000 -0400
@ -5575,7 +5703,7 @@ diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/pol
/var/lib/nfs/rpc_pipefs(/.*)? <<none>>
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/kernel/files.if serefpolicy-3.6.12/policy/modules/kernel/files.if
--- nsaserefpolicy/policy/modules/kernel/files.if 2009-01-05 15:39:38.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/kernel/files.if 2009-05-14 08:50:17.000000000 -0400
+++ serefpolicy-3.6.12/policy/modules/kernel/files.if 2009-05-20 13:26:43.000000000 -0400
@@ -110,6 +110,11 @@
## </param>
#
@ -5857,7 +5985,7 @@ diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/pol
')
')
@@ -4921,3 +5078,132 @@
@@ -4921,3 +5078,172 @@
typeattribute $1 files_unconfined_type;
')
@ -5990,6 +6118,46 @@ diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/pol
+
+ dontaudit $1 security_file_type:file read_file_perms;
+')
+
+########################################
+## <summary>
+## rw any files inherited from another process
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+## <rolecap/>
+#
+interface(`files_rw_all_inherited_files',`
+ gen_require(`
+ attribute file_type;
+ ')
+
+ allow $1 file_type:file { getattr read write append lock };
+ allow $1 file_type:fifo_file { getattr read write append ioctl lock };
+ allow $1 file_type:sock_file { getattr read write append ioctl lock };
+ allow $1 file_type:chr_file { getattr read write append ioctl lock };
+')
+
+########################################
+## <summary>
+## Allow any file point to be the entrypoint of this domain
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+## <rolecap/>
+#
+interface(`files_entrypoint_all_files',`
+ gen_require(`
+ attribute file_type;
+ ')
+ allow $1 file_type:file entrypoint;
+')
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/kernel/files.te serefpolicy-3.6.12/policy/modules/kernel/files.te
--- nsaserefpolicy/policy/modules/kernel/files.te 2009-01-05 15:39:38.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/kernel/files.te 2009-05-12 15:30:13.000000000 -0400
@ -7727,8 +7895,8 @@ diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/pol
+')
diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/policy/modules/roles/unconfineduser.te serefpolicy-3.6.12/policy/modules/roles/unconfineduser.te
--- nsaserefpolicy/policy/modules/roles/unconfineduser.te 1969-12-31 19:00:00.000000000 -0500
+++ serefpolicy-3.6.12/policy/modules/roles/unconfineduser.te 2009-05-12 15:30:13.000000000 -0400
@@ -0,0 +1,397 @@
+++ serefpolicy-3.6.12/policy/modules/roles/unconfineduser.te 2009-05-20 13:21:29.000000000 -0400
@@ -0,0 +1,401 @@
+policy_module(unconfineduser, 1.0.0)
+
+########################################
@ -8008,6 +8176,10 @@ diff -b -B --ignore-all-space --exclude-from=exclude -N -u -r nsaserefpolicy/pol
+')
+
+optional_policy(`
+ sandbox_run(unconfined_t, unconfined_r)
+')
+
+optional_policy(`
+ sendmail_run_unconfined(unconfined_t, unconfined_r)
+')
+

7
selinux-policy.spec
View File

@ -20,7 +20,7 @@
Summary: SELinux policy configuration
Name: selinux-policy
Version: 3.6.12
Release: 38%{?dist}
Release: 39%{?dist}
License: GPLv2+
Group: System Environment/Base
Source: serefpolicy-%{version}.tgz
@ -473,6 +473,10 @@ exit 0
%endif
%changelog
* Wed May 20 2009 Dan Walsh <dwalsh@redhat.com> 3.6.12-39
- Allow fprintd to access sys_ptrace
- Add sandbox policy
* Mon May 18 2009 Dan Walsh <dwalsh@redhat.com> 3.6.12-38
- Add varnishd policy
@ -484,7 +488,6 @@ exit 0
* Mon May 11 2009 Dan Walsh <dwalsh@redhat.com> 3.6.12-35
- Add /usr/share/selinux/packages
- Turn on nsplugin boolean
* Mon May 11 2009 Dan Walsh <dwalsh@redhat.com> 3.6.12-34
- Allow rpcd_t to send signals to kernel threads