commit: 083c41d2616bd88fa7014fe87e863570b7ccb439
Author: cgzones <cgzones <AT> googlemail <DOT> com>
AuthorDate: Fri Jun 9 13:39:07 2017 +0000
Commit: Jason Zaman <perfinion <AT> gentoo <DOT> org>
CommitDate: Tue Jun 13 08:03:23 2017 +0000
URL:
https://gitweb.gentoo.org/proj/hardened-refpolicy.git/commit/?id=083c41d2
chkrootkit: add policy module
v2:
- remove bin_t fc
policy/modules/contrib/chkrootkit.fc | 5 +++
policy/modules/contrib/chkrootkit.if | 46 +++++++++++++++++++++++
policy/modules/contrib/chkrootkit.te | 73 ++++++++++++++++++++++++++++++++++++
policy/modules/contrib/cron.if | 20 ++++++++++
4 files changed, 144 insertions(+)
diff --git a/policy/modules/contrib/chkrootkit.fc
b/policy/modules/contrib/chkrootkit.fc
new file mode 100644
index 00000000..fa780c34
--- /dev/null
+++ b/policy/modules/contrib/chkrootkit.fc
@@ -0,0 +1,5 @@
+/usr/bin/chkrootkit --
gen_context(system_u:object_r:chkrootkit_exec_t,s0)
+
+/usr/sbin/chkrootkit --
gen_context(system_u:object_r:chkrootkit_exec_t,s0)
+
+/var/log/chkrootkit(/.*)?
gen_context(system_u:object_r:chkrootkit_log_t,s0)
diff --git a/policy/modules/contrib/chkrootkit.if
b/policy/modules/contrib/chkrootkit.if
new file mode 100644
index 00000000..12589bd9
--- /dev/null
+++ b/policy/modules/contrib/chkrootkit.if
@@ -0,0 +1,46 @@
+## <summary>chkrootkit - rootkit checker.</summary>
+
+########################################
+## <summary>
+## Execute a domain transition to run chkrootkit.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`chkrootkit_domtrans',`
+ gen_require(`
+ type chkrootkit_t, chkrootkit_exec_t;
+ ')
+
+ corecmd_search_bin($1)
+ domtrans_pattern($1, chkrootkit_exec_t, chkrootkit_t)
+')
+
+########################################
+## <summary>
+## Execute chkrootkit in the chkrootkit domain,
+## and allow the specified role
+## the chkrootkit domain.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed to transition.
+## </summary>
+## </param>
+## <param name="role">
+## <summary>
+## Role allowed access.
+## </summary>
+## </param>
+#
+interface(`chkrootkit_run',`
+ gen_require(`
+ attribute_role chkrootkit_roles;
+ ')
+
+ chkrootkit_domtrans($1)
+ roleattribute $2 chkrootkit_roles;
+')
diff --git a/policy/modules/contrib/chkrootkit.te
b/policy/modules/contrib/chkrootkit.te
new file mode 100644
index 00000000..4bfbb787
--- /dev/null
+++ b/policy/modules/contrib/chkrootkit.te
@@ -0,0 +1,73 @@
+policy_module(chkrootkit, 0.0.1)
+
+########################################
+#
+# Declarations
+#
+
+attribute_role chkrootkit_roles;
+
+type chkrootkit_t;
+type chkrootkit_exec_t;
+application_domain(chkrootkit_t, chkrootkit_exec_t)
+role chkrootkit_roles types chkrootkit_t;
+
+type chkrootkit_log_t;
+logging_log_file(chkrootkit_log_t)
+
+########################################
+#
+# Application local policy
+#
+
+allow chkrootkit_t self:capability { dac_override dac_read_search setuid
sys_ptrace };
+allow chkrootkit_t self:fifo_file rw_fifo_file_perms;
+allow chkrootkit_t self:udp_socket { create ioctl };
+
+kernel_read_all_sysctls(chkrootkit_t)
+kernel_getattr_proc(chkrootkit_t)
+kernel_read_network_state(chkrootkit_t)
+kernel_getattr_message_if(chkrootkit_t)
+
+corecmd_exec_bin(chkrootkit_t)
+corecmd_exec_shell(chkrootkit_t)
+
+dev_read_rand(chkrootkit_t)
+dev_read_urand(chkrootkit_t)
+dev_getattr_all_chr_files(chkrootkit_t)
+
+domain_read_all_domains_state(chkrootkit_t)
+domain_use_interactive_fds(chkrootkit_t)
+domain_getattr_all_sockets(chkrootkit_t)
+domain_getattr_all_pipes(chkrootkit_t)
+
+files_read_non_auth_files(chkrootkit_t)
+files_read_all_symlinks(chkrootkit_t)
+files_read_all_chr_files(chkrootkit_t)
+files_getattr_all_pipes(chkrootkit_t)
+
+init_signal(chkrootkit_t)
+
+logging_send_syslog_msg(chkrootkit_t)
+
+miscfiles_read_localization(chkrootkit_t)
+
+term_getattr_unallocated_ttys(chkrootkit_t)
+
+userdom_use_inherited_user_terminals(chkrootkit_t)
+
+usermanage_check_exec_passwd(chkrootkit_t)
+
+ifdef(`init_systemd',`
+ # start as systemd timer
+ init_system_domain(chkrootkit_t, chkrootkit_exec_t)
+')
+
+optional_policy(`
+ cron_system_entry(chkrootkit_t, chkrootkit_exec_t)
+ cron_exec_crontab(chkrootkit_t)
+')
+
+optional_policy(`
+ ssh_exec(chkrootkit_t)
+')
diff --git a/policy/modules/contrib/cron.if b/policy/modules/contrib/cron.if
index d5aff32a..7bb5d6e6 100644
--- a/policy/modules/contrib/cron.if
+++ b/policy/modules/contrib/cron.if
@@ -893,6 +893,26 @@ interface(`cron_dontaudit_write_system_job_tmp_files',`
########################################
## <summary>
+## Execute crontab in the caller domain.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+## <rolecap/>
+#
+interface(`cron_exec_crontab',`
+ gen_require(`
+ type crontab_exec_t;
+ ')
+
+ corecmd_search_bin($1)
+ can_exec($1, crontab_exec_t)
+')
+
+########################################
+## <summary>
## All of the rules required to
## administrate a cron environment.
## </summary>
