From e5516014530c0ca9fccc949e93bce67d73754fd9 Mon Sep 17 00:00:00 2001 From: Chris PeBenito Date: Wed, 5 Apr 2006 18:53:26 +0000 Subject: [PATCH] add snort, bug 1546 --- refpolicy/Changelog | 1 + refpolicy/policy/modules/kernel/kernel.if | 2 +- refpolicy/policy/modules/kernel/kernel.te | 2 +- refpolicy/policy/modules/services/snort.fc | 6 ++ refpolicy/policy/modules/services/snort.if | 1 + refpolicy/policy/modules/services/snort.te | 110 +++++++++++++++++++++ 6 files changed, 120 insertions(+), 2 deletions(-) create mode 100644 refpolicy/policy/modules/services/snort.fc create mode 100644 refpolicy/policy/modules/services/snort.if create mode 100644 refpolicy/policy/modules/services/snort.te diff --git a/refpolicy/Changelog b/refpolicy/Changelog index 8ab4d0b8c..3225f3641 100644 --- a/refpolicy/Changelog +++ b/refpolicy/Changelog @@ -43,6 +43,7 @@ postgrey qmail (Petre Rodan) rhgb + snort thunderbird tor (Erich Schubert) xen (Dan Walsh) diff --git a/refpolicy/policy/modules/kernel/kernel.if b/refpolicy/policy/modules/kernel/kernel.if index ac84330b3..574f201ec 100644 --- a/refpolicy/policy/modules/kernel/kernel.if +++ b/refpolicy/policy/modules/kernel/kernel.if @@ -666,7 +666,7 @@ interface(`kernel_dontaudit_read_system_state',` type proc_t; ') - dontaudit $1 proc_t:file read; + dontaudit $1 proc_t:file { getattr read }; ') ######################################## diff --git a/refpolicy/policy/modules/kernel/kernel.te b/refpolicy/policy/modules/kernel/kernel.te index 74060376b..a930f078e 100644 --- a/refpolicy/policy/modules/kernel/kernel.te +++ b/refpolicy/policy/modules/kernel/kernel.te @@ -1,5 +1,5 @@ -policy_module(kernel,1.3.2) +policy_module(kernel,1.3.3) ######################################## # diff --git a/refpolicy/policy/modules/services/snort.fc b/refpolicy/policy/modules/services/snort.fc new file mode 100644 index 000000000..cfd80ffd3 --- /dev/null +++ b/refpolicy/policy/modules/services/snort.fc @@ -0,0 +1,6 @@ + +/etc/snort(/.*)? gen_context(system_u:object_r:snort_etc_t,s0) + +/usr/s?bin/snort -- gen_context(system_u:object_r:snort_exec_t,s0) + +/var/log/snort(/.*)? gen_context(system_u:object_r:snort_log_t,s0) diff --git a/refpolicy/policy/modules/services/snort.if b/refpolicy/policy/modules/services/snort.if new file mode 100644 index 000000000..a32cfc874 --- /dev/null +++ b/refpolicy/policy/modules/services/snort.if @@ -0,0 +1 @@ +## Snort network intrusion detection system diff --git a/refpolicy/policy/modules/services/snort.te b/refpolicy/policy/modules/services/snort.te new file mode 100644 index 000000000..a280d814e --- /dev/null +++ b/refpolicy/policy/modules/services/snort.te @@ -0,0 +1,110 @@ + +policy_module(snort,1.0.0) + +######################################## +# +# Declarations +# + +type snort_t; +type snort_exec_t; +init_daemon_domain(snort_t,snort_exec_t) + +type snort_etc_t; +files_type(snort_etc_t) + +type snort_log_t; +logging_log_file(snort_log_t) + +type snort_tmp_t; +files_tmp_file(snort_tmp_t) + +type snort_var_run_t; +files_pid_file(snort_var_run_t) + +######################################## +# +# Local policy +# + +allow snort_t self:capability { setgid setuid net_admin net_raw dac_override }; +dontaudit snort_t self:capability sys_tty_config; +allow snort_t self:process signal_perms; +allow snort_t self:netlink_route_socket { bind create getattr nlmsg_read read write }; +allow snort_t self:tcp_socket create_stream_socket_perms; +allow snort_t self:udp_socket create_socket_perms; +allow snort_t self:packet_socket create_socket_perms; + +allow snort_t snort_etc_t:dir r_dir_perms; +allow snort_t snort_etc_t:file r_file_perms; +allow snort_t snort_etc_t:lnk_file { getattr read }; + +allow snort_t snort_log_t:file create_file_perms; +allow snort_t snort_log_t:dir { create rw_dir_perms }; +logging_log_filetrans(snort_t,snort_log_t,{ file dir }) + +allow snort_t snort_tmp_t:dir create_dir_perms; +allow snort_t snort_tmp_t:file create_file_perms; +files_tmp_filetrans(snort_t, snort_tmp_t, { file dir }) + +allow snort_t snort_var_run_t:file create_file_perms; +allow snort_t snort_var_run_t:dir rw_dir_perms; +files_pid_filetrans(snort_t,snort_var_run_t,file) + +kernel_read_kernel_sysctls(snort_t) +kernel_list_proc(snort_t) +kernel_read_proc_symlinks(snort_t) +kernel_dontaudit_read_system_state(snort_t) + +corenet_non_ipsec_sendrecv(snort_t) +corenet_tcp_sendrecv_generic_if(snort_t) +corenet_udp_sendrecv_generic_if(snort_t) +corenet_raw_sendrecv_generic_if(snort_t) +corenet_tcp_sendrecv_all_nodes(snort_t) +corenet_udp_sendrecv_all_nodes(snort_t) +corenet_raw_sendrecv_all_nodes(snort_t) +corenet_tcp_sendrecv_all_ports(snort_t) +corenet_udp_sendrecv_all_ports(snort_t) +corenet_tcp_bind_all_nodes(snort_t) +corenet_udp_bind_all_nodes(snort_t) + +dev_read_sysfs(snort_t) + +domain_use_interactive_fds(snort_t) + +files_read_etc_files(snort_t) +files_dontaudit_read_etc_runtime_files(snort_t) + +fs_getattr_all_fs(snort_t) +fs_search_auto_mountpoints(snort_t) + +term_dontaudit_use_console(snort_t) + +init_use_fds(snort_t) +init_use_script_ptys(snort_t) + +libs_use_ld_so(snort_t) +libs_use_shared_libs(snort_t) + +logging_send_syslog_msg(snort_t) + +miscfiles_read_localization(snort_t) + +sysnet_read_config(snort_t) + +userdom_dontaudit_use_unpriv_user_fds(snort_t) +userdom_dontaudit_search_sysadm_home_dirs(snort_t) + +ifdef(`targeted_policy',` + term_dontaudit_use_unallocated_ttys(snort_t) + term_dontaudit_use_generic_ptys(snort_t) + files_dontaudit_read_root_files(snort_t) +') + +optional_policy(` + seutil_sigchld_newrole(snort_t) +') + +optional_policy(` + udev_read_db(snort_t) +')