New policy for lldpd ( http://vincentbernat.github.io/lldpd ). Signed-off-by: Alexander Miroshnichenko <alex@xxxxxxxxxxxxxx> --- policy/modules/roles/sysadm.te | 4 + policy/modules/services/lldpd.fc | 9 ++ policy/modules/services/lldpd.if | 206 +++++++++++++++++++++++++++++++ policy/modules/services/lldpd.te | 80 ++++++++++++ 4 files changed, 299 insertions(+) create mode 100644 policy/modules/services/lldpd.fc create mode 100644 policy/modules/services/lldpd.if create mode 100644 policy/modules/services/lldpd.te diff --git a/policy/modules/roles/sysadm.te b/policy/modules/roles/sysadm.te index 8f891c83865f..ea4e06a29e30 100644 --- a/policy/modules/roles/sysadm.te +++ b/policy/modules/roles/sysadm.te @@ -595,6 +595,10 @@ optional_policy(` lldpad_admin(sysadm_t, sysadm_r) ') +optional_policy(` + lldp_admin(sysadm_t, sysadm_r) +') + optional_policy(` lockdev_role(sysadm_r, sysadm_t) ') diff --git a/policy/modules/services/lldpd.fc b/policy/modules/services/lldpd.fc new file mode 100644 index 000000000000..997a80a3baf9 --- /dev/null +++ b/policy/modules/services/lldpd.fc @@ -0,0 +1,9 @@ +/etc/lldpd.conf -- gen_context(system_u:object_r:lldpd_etc_t,s0) +/etc/lldpd.d(/.*)? gen_context(system_u:object_r:lldpd_etc_t,s0) + +/usr/sbin/lldpd -- gen_context(system_u:object_r:lldpd_exec_t,s0) +/usr/sbin/lldpcli -- gen_context(system_u:object_r:lldp_cli_exec_t,s0) + +/run/lldpd -d gen_context(system_u:object_r:lldpd_var_run_t,s0) +/run/lldpd(/.*)? gen_context(system_u:object_r:lldpd_var_run_t,s0) +/run/lldpd.pid -- gen_context(system_u:object_r:lldpd_var_run_t,s0) diff --git a/policy/modules/services/lldpd.if b/policy/modules/services/lldpd.if new file mode 100644 index 000000000000..f7030b1ead19 --- /dev/null +++ b/policy/modules/services/lldpd.if @@ -0,0 +1,206 @@ + +## <summary>policy for lldpd</summary> + +######################################## +## <summary> +## Execute lldpd_exec_t in the lldpd domain. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed to transition. +## </summary> +## </param> +# +interface(`lldpd_domtrans',` + gen_require(` + type lldpd_t, lldpd_exec_t; + ') + + corecmd_search_bin($1) + domtrans_pattern($1, lldpd_exec_t, lldpd_t) +') + +######################################## +## <summary> +## Execute a domain transition to run lldpcli. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed to transition. +## </summary> +## </param> +# +interface(`lldp_cli_domtrans',` + gen_require(` + type lldp_cli_t, lldp_cli_exec_t; + ') + + corecmd_search_bin($1) + can_exec($1, lldp_cli_exec_t) + domtrans_pattern($1, lldp_cli_exec_t, lldp_cli_t) +') + +######################################## +## <summary> +## Execute lldpcli in the lldp_cli domain, +## and allow the specified role +## the lldp_cli domain. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed to transition. +## </summary> +## </param> +## <param name="role"> +## <summary> +## Role allowed access. +## </summary> +## </param> +# +interface(`lldp_cli_run',` + gen_require(` + type lldp_cli_t; + ') + + lldp_cli_domtrans($1) + role $2 types lldp_cli_t; +') + +###################################### +## <summary> +## Execute lldpd in the caller domain. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`lldpd_exec',` + gen_require(` + type lldpd_exec_t; + ') + + corecmd_search_bin($1) + can_exec($1, lldpd_exec_t) +') + +######################################## +## <summary> +## Search lldpd conf directories. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`lldpd_search_conf',` + gen_require(` + type lldpd_etc_t; + ') + + allow $1 lldpd_etc_t:dir search_dir_perms; + files_search_etc($1) +') + +######################################## +## <summary> +## Read lldpd conf files. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`lldpd_read_conf_files',` + gen_require(` + type lldpd_etc_t; + ') + + allow $1 lldpd_etc_t:dir list_dir_perms; + read_files_pattern($1, lldpd_etc_t, lldpd_etc_t) + files_search_etc($1) +') + +######################################## +## <summary> +## Manage lldpd conf files. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`lldpd_manage_conf_files',` + gen_require(` + type lldpd_etc_t; + ') + + manage_files_pattern($1, lldpd_etc_t, lldpd_etc_t) + files_search_etc($1) +') + +######################################## +## <summary> +## Create, read, write, and delete +## lldpd PID files. +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`lldpd_manage_pid_files',` + gen_require(` + type lldpd_var_run_t; + ') + + files_search_pids($1) + manage_files_pattern($1, lldpd_var_run_t, lldpd_var_run_t) + manage_dirs_pattern($1, lldpd_var_run_t, lldpd_var_run_t) +') + + +######################################## +## <summary> +## All of the rules required to administrate +## an lldpd environment +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +## <param name="role"> +## <summary> +## Role allowed access. +## </summary> +## </param> +## <rolecap/> +# +interface(`lldp_admin',` + gen_require(` + type lldpd_t; + type lldpd_etc_t; + type lldpd_var_run_t; + ') + + allow $1 lldpd_t:process { signal_perms }; + ps_process_pattern($1, lldpd_t) + + tunable_policy(`allow_ptrace',` + allow $1 lldpd_t:process ptrace; + ') + + files_search_etc($1) + admin_pattern($1, lldpd_etc_t) + + files_search_pids($1) + admin_pattern($1, lldpd_var_run_t) + + lldp_cli_run($1, $2) +') diff --git a/policy/modules/services/lldpd.te b/policy/modules/services/lldpd.te new file mode 100644 index 000000000000..9a0f68dc4b7b --- /dev/null +++ b/policy/modules/services/lldpd.te @@ -0,0 +1,80 @@ +policy_module(lldpd, 1.0.0) + +######################################## +# +# Declarations +# + +type lldpd_t; +type lldpd_exec_t; +init_daemon_domain(lldpd_t, lldpd_exec_t) + +type lldp_cli_t; +type lldp_cli_exec_t; +init_system_domain(lldp_cli_t, lldp_cli_exec_t) +application_domain(lldp_cli_t, lldp_cli_exec_t) + +type lldpd_etc_t; +files_config_file(lldpd_etc_t) + +type lldpd_var_run_t; +files_pid_file(lldpd_var_run_t) +init_daemon_pid_file(lldpd_var_run_t, dir, "lldpd") +typealias lldpd_var_run_t alias lldp_sock_t; + +######################################## +# +# lldpd local policy +# +allow lldpd_t self:capability { chown dac_override fowner fsetid kill net_admin net_raw setgid setuid sys_chroot }; +allow lldpd_t self:process { fork signal_perms }; +allow lldpd_t self:fifo_file rw_fifo_file_perms; +allow lldpd_t self:unix_stream_socket { accept listen }; +allow lldpd_t lldp_sock_t:sock_file { create_sock_file_perms delete_sock_file_perms setattr }; +allow lldpd_t self:packet_socket create_socket_perms; + +lldp_cli_domtrans(lldpd_t) + +kernel_read_net_sysctls(lldpd_t) + +lldpd_read_conf_files(lldpd_t) + +lldpd_manage_pid_files(lldpd_t) +manage_sock_files_pattern(lldpd_t, lldpd_var_run_t, lldpd_var_run_t) +manage_lnk_files_pattern(lldpd_t, lldpd_var_run_t, lldpd_var_run_t) +files_pid_filetrans(lldpd_t, lldpd_var_run_t, {file dir sock_file}) + +domain_use_interactive_fds(lldpd_t) + +files_read_etc_files(lldpd_t) + +logging_send_syslog_msg(lldpd_t) + +miscfiles_read_localization(lldpd_t) + +sysnet_dns_name_resolve(lldpd_t) + +######################################## +# +# lldp_cli local policy +# +allow lldp_cli_t self:capability dac_override; +allow lldp_cli_t self:unix_dgram_socket { connect create }; +allow lldp_cli_t self:unix_stream_socket { connect create read write }; +allow lldp_cli_t self:process signal; + +allow lldp_cli_t lldpd_t:unix_stream_socket connectto; +allow lldp_cli_t lldpd_var_run_t:sock_file { read write }; + +lldpd_read_conf_files(lldp_cli_t) + +logging_send_syslog_msg(lldp_cli_t) + +files_dontaudit_read_etc_files(lldp_cli_t) + +miscfiles_read_localization(lldp_cli_t) + +domain_use_interactive_fds(lldp_cli_t) +userdom_use_user_ptys(lldp_cli_t) + +init_dontaudit_use_script_ptys(lldp_cli_t) -- 2.21.0
