This adds a new SELinux module "bacula" for the bacula backup application. Directly mapping bacula on the existing backup
module was not feasible (partially because it uses both a general domain and an administrative client domain).
Policy provided by Stan Sander through https://bugs.gentoo.org/show_bug.cgi?id=396241
Signed-off-by: Sven Vermeulen <[email protected]>
---
bacula.fc | 20 ++++++++++
bacula.if | 45 +++++++++++++++++++++++
bacula.te | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 182 insertions(+), 0 deletions(-)
create mode 100644 bacula.fc
create mode 100644 bacula.if
create mode 100644 bacula.te
diff --git a/bacula.fc b/bacula.fc
new file mode 100644
index 0000000..b44c547
--- /dev/null
+++ b/bacula.fc
@@ -0,0 +1,20 @@
+#
+# /usr
+#
+/usr/sbin/bacula-(.*)? -- gen_context(system_u:object_r:bacula_exec_t,s0)
+/usr/sbin/bat gen_context(system_u:object_r:bacula_admin_exec_t,s0)
+/usr/sbin/bconsole gen_context(system_u:object_r:bacula_admin_exec_t,s0)
+
+#
+# /etc
+#
+/etc/bacula(/.*)? -- gen_context(system_u:object_r:bacula_conf_t,s0)
+
+#
+# /var
+#
+/var/lib/bacula(/.*)? gen_context(system_u:object_r:bacula_var_lib_t,s0)
+
+# A separate disk for backups mounted at /bacula or beginning with
+# /bacula also matches a restore directory like /bacula-restores
+/bacula(.*)? gen_context(system_u:object_r:bacula_store_t,s0)
diff --git a/bacula.if b/bacula.if
new file mode 100644
index 0000000..d7f695c
--- /dev/null
+++ b/bacula.if
@@ -0,0 +1,45 @@
+## <summary>bacula backup program</summary>
+
+########################################
+## <summary>
+## Execute user interfaces in the bacula_admin domain.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed to transition.
+## </summary>
+## </param>
+#
+interface(`bacula_admin_domtrans',`
+ gen_require(`
+ type bacula_admin_t, bacula_admin_exec_t;
+ ')
+
+ domtrans_pattern($1, bacula_admin_exec_t, bacula_admin_t)
+')
+
+########################################
+## <summary>
+## Execute user interfaces in the bacula_admin domain, and
+## allow the specified role to transition to the bacula_admin domain.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed to transition.
+## </summary>
+## </param>
+## <param name="role">
+## <summary>
+## Role allowed access.
+## </summary>
+## </param>
+## <rolecap/>
+#
+interface(`bacula_admin_run',`
+ gen_require(`
+ type bacula_admin_t;
+ ')
+
+ bacula_admin_domtrans($1)
+ role $2 types bacula_admin_t;
+')
diff --git a/bacula.te b/bacula.te
new file mode 100644
index 0000000..77e6ff1
--- /dev/null
+++ b/bacula.te
@@ -0,0 +1,117 @@
+policy_module(bacula, 1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type bacula_t;
+type bacula_exec_t;
+init_daemon_domain(bacula_t, bacula_exec_t)
+
+type bacula_store_t;
+files_type(bacula_store_t)
+files_mountpoint(bacula_store_t)
+
+type bacula_var_lib_t;
+files_type(bacula_var_lib_t)
+
+type bacula_var_run_t;
+files_pid_file(bacula_var_run_t)
+
+type bacula_admin_t;
+type bacula_admin_exec_t;
+application_domain(bacula_admin_t, bacula_admin_exec_t)
+
+########################################
+#
+# Local policy - bacula daemon
+#
+
+allow bacula_t self:capability { dac_read_search dac_override chown fowner fsetid};
+allow bacula_t self:process signal;
+allow bacula_t self:fifo_file rw_fifo_file_perms;
+allow bacula_t self:tcp_socket create_stream_socket_perms;
+allow bacula_t self:udp_socket create_socket_perms;
+allow bacula_t self:netlink_route_socket create_netlink_socket_perms;
+
+allow bacula_t bacula_store_t:file setattr;
+
+allow bacula_t bacula_var_run_t:file { create_file_perms write_file_perms unlink};
+
+files_pid_filetrans(bacula_t, bacula_var_run_t, file)
+files_var_lib_filetrans(bacula_t, bacula_var_lib_t, file)
+
+manage_files_pattern(bacula_t, bacula_store_t, bacula_store_t)
+manage_lnk_files_pattern(bacula_t, bacula_store_t, bacula_store_t)
+manage_dirs_pattern(bacula_t, bacula_store_t, bacula_store_t)
+manage_files_pattern(bacula_t, bacula_var_lib_t, bacula_var_lib_t)
+
+kernel_read_kernel_sysctls(bacula_t)
+kernel_read_system_state(bacula_t)
+
+corecmd_exec_bin(bacula_t)
+corecmd_exec_shell(bacula_t)
+
+corenet_tcp_bind_generic_node(bacula_t)
+corenet_udp_bind_generic_node(bacula_t)
+corenet_tcp_bind_generic_port(bacula_t)
+corenet_udp_bind_generic_port(bacula_t)
+corenet_tcp_bind_hplip_port(bacula_t)
+corenet_udp_bind_hplip_port(bacula_t)
+corenet_tcp_connect_all_ports(bacula_t)
+corenet_tcp_connect_smtp_port(bacula_t)
+# Bacula's default port are listed already under hplip
+
+dev_getattr_all_blk_files(bacula_t)
+dev_getattr_all_chr_files(bacula_t)
+
+files_dontaudit_getattr_all_sockets(bacula_t)
+files_read_all_files(bacula_t)
+files_read_all_symlinks(bacula_t)
+
+fs_getattr_xattr_fs(bacula_t)
+fs_list_all(bacula_t)
+
+auth_read_shadow(bacula_t)
+
+logging_send_syslog_msg(bacula_t)
+
+optional_policy(`
+ mysql_stream_connect(bacula_t)
+ mysql_tcp_connect(bacula_t)
+')
+
+optional_policy(`
+ nis_use_ypbind(bacula_t)
+')
+
+optional_policy(`
+ sysnet_use_ldap(bacula_t)
+ ldap_stream_connect(bacula_t)
+')
+
+
+########################################
+#
+# Local policy - bacula admin client
+#
+allow bacula_admin_t self:process signal;
+allow bacula_admin_t self:tcp_socket create_stream_socket_perms;
+allow bacula_admin_t self:dgram_socket_class_set create_socket_perms;
+
+corenet_tcp_connect_hplip_port(bacula_admin_t)
+corenet_udp_sendrecv_hplip_port(bacula_admin_t)
+
+domain_use_interactive_fds(bacula_admin_t)
+
+files_read_etc_files(bacula_admin_t)
+
+miscfiles_read_localization(bacula_admin_t)
+
+sysnet_dns_name_resolve(bacula_admin_t)
+
+userdom_dontaudit_search_user_home_dirs(bacula_admin_t)
+userdom_use_user_ptys(bacula_admin_t)
+
+
--
1.7.3.4
On Wed, Dec 28, 2011 at 08:05:27PM +0100, Sven Vermeulen wrote:
> +#
> +# /etc
> +#
> +/etc/bacula(/.*)? -- gen_context(system_u:object_r:bacula_conf_t,s0)
This should be removed (I dropped the bacula_conf_t definition later)
Wkr,
Sven Vermeulen
On 12/28/11 14:05, Sven Vermeulen wrote:
> This adds a new SELinux module "bacula" for the bacula backup application. Directly mapping bacula on the existing backup
> module was not feasible (partially because it uses both a general domain and an administrative client domain).
>
> Policy provided by Stan Sander through https://bugs.gentoo.org/show_bug.cgi?id=396241
>
> Signed-off-by: Sven Vermeulen <[email protected]>
> ---
> bacula.fc | 20 ++++++++++
> bacula.if | 45 +++++++++++++++++++++++
> bacula.te | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 182 insertions(+), 0 deletions(-)
> create mode 100644 bacula.fc
> create mode 100644 bacula.if
> create mode 100644 bacula.te
>
> diff --git a/bacula.fc b/bacula.fc
> new file mode 100644
> index 0000000..b44c547
> --- /dev/null
> +++ b/bacula.fc
> @@ -0,0 +1,20 @@
> +#
> +# /usr
> +#
> +/usr/sbin/bacula-(.*)? -- gen_context(system_u:object_r:bacula_exec_t,s0)
> +/usr/sbin/bat gen_context(system_u:object_r:bacula_admin_exec_t,s0)
> +/usr/sbin/bconsole gen_context(system_u:object_r:bacula_admin_exec_t,s0)
> +
> +#
> +# /etc
> +#
> +/etc/bacula(/.*)? -- gen_context(system_u:object_r:bacula_conf_t,s0)
> +
> +#
> +# /var
> +#
> +/var/lib/bacula(/.*)? gen_context(system_u:object_r:bacula_var_lib_t,s0)
> +
> +# A separate disk for backups mounted at /bacula or beginning with
> +# /bacula also matches a restore directory like /bacula-restores
> +/bacula(.*)? gen_context(system_u:object_r:bacula_store_t,s0)
> diff --git a/bacula.if b/bacula.if
> new file mode 100644
> index 0000000..d7f695c
> --- /dev/null
> +++ b/bacula.if
> @@ -0,0 +1,45 @@
> +## <summary>bacula backup program</summary>
> +
> +########################################
> +## <summary>
> +## Execute user interfaces in the bacula_admin domain.
> +## </summary>
> +## <param name="domain">
> +## <summary>
> +## Domain allowed to transition.
> +## </summary>
> +## </param>
> +#
> +interface(`bacula_admin_domtrans',`
Should be bacula_domtrans_admin.
> + gen_require(`
> + type bacula_admin_t, bacula_admin_exec_t;
> + ')
> +
> + domtrans_pattern($1, bacula_admin_exec_t, bacula_admin_t)
> +')
> +
> +########################################
> +## <summary>
> +## Execute user interfaces in the bacula_admin domain, and
> +## allow the specified role to transition to the bacula_admin domain.
> +## </summary>
> +## <param name="domain">
> +## <summary>
> +## Domain allowed to transition.
> +## </summary>
> +## </param>
> +## <param name="role">
> +## <summary>
> +## Role allowed access.
> +## </summary>
> +## </param>
> +## <rolecap/>
> +#
> +interface(`bacula_admin_run',`
Should be bacula_run_admin.
> + gen_require(`
> + type bacula_admin_t;
> + ')
> +
> + bacula_admin_domtrans($1)
> + role $2 types bacula_admin_t;
> +')
> diff --git a/bacula.te b/bacula.te
> new file mode 100644
> index 0000000..77e6ff1
> --- /dev/null
> +++ b/bacula.te
> @@ -0,0 +1,117 @@
> +policy_module(bacula, 1.0.0)
> +
> +########################################
> +#
> +# Declarations
> +#
> +
> +type bacula_t;
> +type bacula_exec_t;
> +init_daemon_domain(bacula_t, bacula_exec_t)
> +
> +type bacula_store_t;
> +files_type(bacula_store_t)
> +files_mountpoint(bacula_store_t)
> +
> +type bacula_var_lib_t;
> +files_type(bacula_var_lib_t)
> +
> +type bacula_var_run_t;
> +files_pid_file(bacula_var_run_t)
> +
> +type bacula_admin_t;
> +type bacula_admin_exec_t;
> +application_domain(bacula_admin_t, bacula_admin_exec_t)
> +
> +########################################
> +#
> +# Local policy - bacula daemon
> +#
> +
> +allow bacula_t self:capability { dac_read_search dac_override chown fowner fsetid};
> +allow bacula_t self:process signal;
> +allow bacula_t self:fifo_file rw_fifo_file_perms;
> +allow bacula_t self:tcp_socket create_stream_socket_perms;
> +allow bacula_t self:udp_socket create_socket_perms;
> +allow bacula_t self:netlink_route_socket create_netlink_socket_perms;
> +
> +allow bacula_t bacula_store_t:file setattr;
Looks like a redundant rule, though the below bacula_store_rules should be here.
> +allow bacula_t bacula_var_run_t:file { create_file_perms write_file_perms unlink};
> +
> +files_pid_filetrans(bacula_t, bacula_var_run_t, file)
> +files_var_lib_filetrans(bacula_t, bacula_var_lib_t, file)
> +
> +manage_files_pattern(bacula_t, bacula_store_t, bacula_store_t)
> +manage_lnk_files_pattern(bacula_t, bacula_store_t, bacula_store_t)
> +manage_dirs_pattern(bacula_t, bacula_store_t, bacula_store_t)
> +manage_files_pattern(bacula_t, bacula_var_lib_t, bacula_var_lib_t)
> +
> +kernel_read_kernel_sysctls(bacula_t)
> +kernel_read_system_state(bacula_t)
> +
> +corecmd_exec_bin(bacula_t)
> +corecmd_exec_shell(bacula_t)
> +
> +corenet_tcp_bind_generic_node(bacula_t)
> +corenet_udp_bind_generic_node(bacula_t)
> +corenet_tcp_bind_generic_port(bacula_t)
> +corenet_udp_bind_generic_port(bacula_t)
> +corenet_tcp_bind_hplip_port(bacula_t)
> +corenet_udp_bind_hplip_port(bacula_t)
> +corenet_tcp_connect_all_ports(bacula_t)
> +corenet_tcp_connect_smtp_port(bacula_t)
> +# Bacula's default port are listed already under hplip
> +
> +dev_getattr_all_blk_files(bacula_t)
> +dev_getattr_all_chr_files(bacula_t)
> +
> +files_dontaudit_getattr_all_sockets(bacula_t)
> +files_read_all_files(bacula_t)
> +files_read_all_symlinks(bacula_t)
> +
> +fs_getattr_xattr_fs(bacula_t)
> +fs_list_all(bacula_t)
> +
> +auth_read_shadow(bacula_t)
> +
> +logging_send_syslog_msg(bacula_t)
> +
> +optional_policy(`
> + mysql_stream_connect(bacula_t)
> + mysql_tcp_connect(bacula_t)
> +')
> +
> +optional_policy(`
> + nis_use_ypbind(bacula_t)
> +')
> +
> +optional_policy(`
> + sysnet_use_ldap(bacula_t)
> + ldap_stream_connect(bacula_t)
> +')
> +
> +
> +########################################
> +#
> +# Local policy - bacula admin client
> +#
> +allow bacula_admin_t self:process signal;
> +allow bacula_admin_t self:tcp_socket create_stream_socket_perms;
> +allow bacula_admin_t self:dgram_socket_class_set create_socket_perms;
> +
> +corenet_tcp_connect_hplip_port(bacula_admin_t)
> +corenet_udp_sendrecv_hplip_port(bacula_admin_t)
> +
> +domain_use_interactive_fds(bacula_admin_t)
> +
> +files_read_etc_files(bacula_admin_t)
> +
> +miscfiles_read_localization(bacula_admin_t)
> +
> +sysnet_dns_name_resolve(bacula_admin_t)
> +
> +userdom_dontaudit_search_user_home_dirs(bacula_admin_t)
> +userdom_use_user_ptys(bacula_admin_t)
Otherwise it seems ok.
--
Chris PeBenito
Tresys Technology, LLC
http://www.tresys.com | oss.tresys.com