[refpolicy] [PATCH 1/1] Fix problem labeling /run/log/journal/*

Chris PeBenito pebenito at ieee.org
Wed Oct 11 00:14:31 UTC 2017


On 10/09/2017 05:15 PM, David Sugar via refpolicy wrote:
> Fix the following denials I was seeing in dmesg from init_t (systemd) when attempting to relabel /run/log/journal/*
> 
> [    4.758398] type=1400 audit(1507601754.187:3): avc:  denied  { relabelto } for  pid=1 comm="systemd" name="log" dev="tmpfs" ino=1365 scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:var_log_t:s0 tclass=dir
> [    4.758541] systemd[1]: Unable to fix SELinux security context of /run/log: Permission denied
> [    4.758736] type=1400 audit(1507601754.187:4): avc:  denied  { relabelto } for  pid=1 comm="systemd" name="journal" dev="tmpfs" ino=7004 scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:systemd_journal_t:s0 tclass=dir
> [    4.758773] systemd[1]: Unable to fix SELinux security context of /run/log/journal: Permission denied
> [    4.758928] type=1400 audit(1507601754.187:5): avc:  denied  { relabelto } for  pid=1 comm="systemd" name="791393fb4b8f4a59af4266b634b218e2" dev="tmpfs" ino=7005 scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:systemd_journal_t:s0 tclass=dir
> [    4.758960] systemd[1]: Unable to fix SELinux security context of /run/log/journal/791393fb4b8f4a59af4266b634b218e2: Permission denied
> [    4.759144] type=1400 audit(1507601754.187:6): avc:  denied  { relabelto } for  pid=1 comm="systemd" name="system.journal" dev="tmpfs" ino=7006 scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:systemd_journal_t:s0 tclass=file
> [    4.759196] systemd[1]: Unable to fix SELinux security context of /run/log/journal/791393fb4b8f4a59af4266b634b218e2/system.journal: Permission denied
> 
> Signed-off-by: Dave Sugar <dsugar at tresys.com>
> ---
>   policy/modules/system/init.te    |  3 +++
>   policy/modules/system/systemd.if | 40 ++++++++++++++++++++++++++++++++++++++++
>   2 files changed, 43 insertions(+)
> 
> diff --git a/policy/modules/system/init.te b/policy/modules/system/init.te
> index 0aecd169..df5e1611 100644
> --- a/policy/modules/system/init.te
> +++ b/policy/modules/system/init.te
> @@ -320,12 +320,15 @@ ifdef(`init_systemd',`
>   	logging_manage_pid_sockets(init_t)
>   	logging_send_audit_msgs(init_t)
>   	logging_relabelto_devlog_sock_files(init_t)
> +	logging_relabel_generic_log_dirs(init_t)
>   
>   	systemd_manage_passwd_runtime_symlinks(init_t)
>   	systemd_use_passwd_agent(init_t)
>   	systemd_list_tmpfiles_conf(init_t)
>   	systemd_relabelto_tmpfiles_conf_dirs(init_t)
>   	systemd_relabelto_tmpfiles_conf_files(init_t)
> +	systemd_relabelto_journal_dirs(init_t)
> +	systemd_relabelto_journal_files(init_t)
>   
>   	term_create_devpts_dirs(init_t)
>   
> diff --git a/policy/modules/system/systemd.if b/policy/modules/system/systemd.if
> index 766f33fb..69669a1a 100644
> --- a/policy/modules/system/systemd.if
> +++ b/policy/modules/system/systemd.if
> @@ -348,6 +348,46 @@ interface(`systemd_manage_journal_files',`
>   	manage_files_pattern($1, systemd_journal_t, systemd_journal_t)
>   ')
>   
> +
> +########################################
> +## <summary>
> +##	Relabel to systemd-journald directory type.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`systemd_relabelto_journal_dirs',`
> +	gen_require(`
> +		type systemd_journal_t;
> +	')
> +
> +	files_search_var($1)
> +	allow $1 systemd_journal_t:dir relabelto_dir_perms;
> +')
> +
> +########################################
> +## <summary>
> +##	Relabel to systemd-journald file type.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`systemd_relabelto_journal_files',`
> +	gen_require(`
> +		type systemd_journal_t;
> +	')
> +
> +	files_search_var($1)
> +	list_dirs_pattern($1,systemd_journal_t,systemd_journal_t)
> +	allow $1 systemd_journal_t:file relabelto_file_perms;
> +')
> +
>   ########################################
>   ## <summary>
>   ##     Allow systemd_logind_t to read process state for cgroup file
> 

Merged.

-- 
Chris PeBenito


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