* [refpolicy] [PATCH v3 1/3] Initial policy for the mutt e-mail client
2011-11-13 9:20 [refpolicy] [PATCH v3 0/3] Introduce mutt policy Sven Vermeulen
@ 2011-11-13 9:21 ` Sven Vermeulen
2011-11-13 9:22 ` [refpolicy] [PATCH v3 2/3] Allow gpg to read/write mutt e-mail files (for signing) Sven Vermeulen
2011-11-13 9:23 ` [refpolicy] [PATCH v3 3/3] Allow users and staff to use mutt Sven Vermeulen
2 siblings, 0 replies; 5+ messages in thread
From: Sven Vermeulen @ 2011-11-13 9:21 UTC (permalink / raw)
To: refpolicy
The mutt e-mail client is a terminal-based e-mail client. It is rich in
features (with many additional feature-patches lurking on the internet)
so it is assumed that this policy will grow in the future.
Signed-off-by: Sven Vermeulen <sven.vermeulen@siphos.be>
---
mutt.fc | 10 +++++++
mutt.if | 66 ++++++++++++++++++++++++++++++++++++++++++++
mutt.te | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 169 insertions(+), 0 deletions(-)
create mode 100644 mutt.fc
create mode 100644 mutt.if
create mode 100644 mutt.te
diff --git a/mutt.fc b/mutt.fc
new file mode 100644
index 0000000..9d64529
--- /dev/null
+++ b/mutt.fc
@@ -0,0 +1,10 @@
+HOME_DIR/\.mutt(/.*)? gen_context(system_u:object_r:mutt_home_t,s0)
+HOME_DIR/\.muttrc -- gen_context(system_u:object_r:mutt_conf_t,s0)
+HOME_DIR/\.mutt_cache -- gen_context(system_u:object_r:mutt_home_t,s0)
+HOME_DIR/\.mutt_certificates -- gen_context(system_u:object_r:mutt_home_t,s0)
+
+/etc/Muttrc -- gen_context(system_u:object_r:mutt_etc_t,s0)
+/etc/Muttrc\.local -- gen_context(system_u:object_r:mutt_etc_t,s0)
+/etc/mutt(/.*)? gen_context(system_u:object_r:mutt_etc_t,s0)
+
+/usr/bin/mutt -- gen_context(system_u:object_r:mutt_exec_t,s0)
diff --git a/mutt.if b/mutt.if
new file mode 100644
index 0000000..0921851
--- /dev/null
+++ b/mutt.if
@@ -0,0 +1,66 @@
+## <summary>Mutt e-mail client</summary>
+
+#######################################
+## <summary>
+## The role for using the mutt application.
+## </summary>
+## <param name="role">
+## <summary>
+## The role associated with the user domain.
+## </summary>
+## </param>
+## <param name="domain">
+## <summary>
+## The user domain.
+## </summary>
+## </param>
+#
+interface(`mutt_role',`
+ gen_require(`
+ type mutt_t, mutt_exec_t, mutt_home_t, mutt_conf_t, mutt_etc_t;
+ type mutt_tmp_t;
+ ')
+
+ role $1 types mutt_t;
+
+ domtrans_pattern($2, mutt_exec_t, mutt_t)
+
+ allow $2 mutt_t:process { ptrace signal_perms };
+
+ manage_dirs_pattern($2, mutt_home_t, mutt_home_t)
+ manage_files_pattern($2, mutt_home_t, mutt_home_t)
+ relabel_dirs_pattern($2, mutt_home_t, mutt_home_t)
+ relabel_files_pattern($2, mutt_home_t, mutt_home_t)
+
+ manage_dirs_pattern($2, mutt_conf_t, mutt_conf_t)
+ manage_files_pattern($2, mutt_conf_t, mutt_conf_t)
+ relabel_dirs_pattern($2, mutt_conf_t, mutt_conf_t)
+ relabel_files_pattern($2, mutt_conf_t, mutt_conf_t)
+
+ relabel_dirs_pattern($2, mutt_tmp_t, mutt_tmp_t)
+ relabel_files_pattern($2, mutt_tmp_t, mutt_tmp_t)
+
+ ps_process_pattern($2, mutt_t)
+')
+
+#######################################
+## <summary>
+## Allow other domains to handle mutt's temporary files (used for instance
+## for e-mail drafts)
+## </summary>
+## <param name="domain">
+## <summary>
+## The domain that is allowed read/write access to the temporary files
+## </summary>
+## </param>
+#
+interface(`mutt_rw_tmp_files',`
+ gen_require(`
+ type mutt_tmp_t;
+ ')
+
+ # The use of rw_files_pattern here is not needed, since this incurs the open privilege as well
+ allow $1 mutt_tmp_t:dir search_dir_perms;
+ allow $1 mutt_tmp_t:file { read write };
+ files_search_tmp($1)
+')
diff --git a/mutt.te b/mutt.te
new file mode 100644
index 0000000..fc11aa5
--- /dev/null
+++ b/mutt.te
@@ -0,0 +1,93 @@
+policy_module(mutt, 1.0.0)
+
+############################
+#
+# Declarations
+#
+
+## <desc>
+## <p>
+## Be able to manage user files (needed to support attachment handling)
+## </p>
+## </desc>
+gen_tunable(mutt_manage_user_content, false)
+
+type mutt_t;
+type mutt_exec_t;
+application_domain(mutt_t, mutt_exec_t)
+ubac_constrained(mutt_t)
+
+type mutt_conf_t;
+userdom_user_home_content(mutt_conf_t)
+
+type mutt_etc_t;
+files_config_file(mutt_etc_t)
+
+type mutt_home_t;
+userdom_user_home_content(mutt_home_t)
+
+type mutt_tmp_t;
+userdom_user_tmp_file(mutt_tmp_t)
+
+############################
+#
+# Local Policy Rules
+#
+
+allow mutt_t self:process signal_perms;
+allow mutt_t self:fifo_file rw_fifo_file_perms;
+
+read_files_pattern(mutt_t, mutt_conf_t, mutt_conf_t)
+
+read_files_pattern(mutt_t, mutt_etc_t, mutt_etc_t)
+
+manage_dirs_pattern(mutt_t, mutt_home_t, mutt_home_t)
+manage_files_pattern(mutt_t, mutt_home_t, mutt_home_t)
+userdom_user_home_dir_filetrans(mutt_t, mutt_home_t, { dir file })
+
+manage_dirs_pattern(mutt_t, mutt_tmp_t, mutt_tmp_t)
+manage_files_pattern(mutt_t, mutt_tmp_t, mutt_tmp_t)
+files_tmp_filetrans(mutt_t, mutt_tmp_t, { file dir })
+
+kernel_read_system_state(mutt_t)
+
+corecmd_exec_bin(mutt_t)
+corecmd_exec_shell(mutt_t)
+
+corenet_all_recvfrom_netlabel(mutt_t)
+corenet_all_recvfrom_unlabeled(mutt_t)
+corenet_sendrecv_pop_client_packets(mutt_t)
+corenet_sendrecv_smtp_client_packets(mutt_t)
+corenet_tcp_bind_generic_node(mutt_t)
+corenet_tcp_connect_pop_port(mutt_t)
+corenet_tcp_connect_smtp_port(mutt_t)
+corenet_tcp_sendrecv_generic_if(mutt_t)
+corenet_tcp_sendrecv_generic_node(mutt_t)
+corenet_tcp_sendrecv_pop_port(mutt_t)
+corenet_tcp_sendrecv_smtp_port(mutt_t)
+
+dev_read_rand(mutt_t)
+dev_read_urand(mutt_t)
+
+domain_use_interactive_fds(mutt_t)
+
+files_read_usr_files(mutt_t)
+
+auth_use_nsswitch(mutt_t)
+
+miscfiles_read_localization(mutt_t)
+
+userdom_manage_xdg_cache_home(mutt_t)
+userdom_read_xdg_config_home(mutt_t)
+userdom_search_user_home_content(mutt_t)
+userdom_use_user_terminals(mutt_t)
+
+optional_policy(`
+ gpg_domtrans(mutt_t)
+')
+
+tunable_policy(`mutt_manage_user_content',`
+ # Needed for handling attachments
+ userdom_manage_user_home_content_files(mutt_t)
+ userdom_manage_user_home_content_dirs(mutt_t)
+')
--
1.7.3.4
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